8425195649 has 8 divisors (see below), whose sum is σ = 9082588200. Its totient is φ = 7769131776.

The previous prime is 8425195637. The next prime is 8425195661. The reversal of 8425195649 is 9465915248.

8425195649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8425195637) and next prime (8425195661).

It can be written as a sum of positive squares in 4 ways, for example, as 3654807025 + 4770388624 = 60455^2 + 69068^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8425195649 is a prime.

It is a super-3 number, since 3×8425195649³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8425195649.

It is not an unprimeable number, because it can be changed into a prime (8425195249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318974 + ... + 344375.

It is an arithmetic number, because the mean of its divisors is an integer number (1135323525).

Almost surely, 2^8425195649 is an apocalyptic number.

It is an amenable number.

8425195649 is a deficient number, since it is larger than the sum of its proper divisors (657392551).

8425195649 is a wasteful number, since it uses less digits than its factorization.

8425195649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664339.

The product of its digits is 3110400, while the sum is 53.

The square root of 8425195649 is about 91788.8645152559. The cubic root of 8425195649 is about 2034.8231266526.

The spelling of 8425195649 in words is "eight billion, four hundred twenty-five million, one hundred ninety-five thousand, six hundred forty-nine".