8400625030249 has 4 divisors (see below), whose sum is σ = 8690301755460. Its totient is φ = 8110948305040.

The previous prime is 8400625030243. The next prime is 8400625030267. The reversal of 8400625030249 is 9420305260048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7087095865600 + 1313529164649 = 2662160^2 + 1146093^2 .

It is a cyclic number.

It is not a de Polignac number, because 8400625030249 - 2³ = 8400625030241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8400625030241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144838362562 + ... + 144838362619.

It is an arithmetic number, because the mean of its divisors is an integer number (2172575438865).

Almost surely, 2^{8400625030249} is an apocalyptic number.

It is an amenable number.

8400625030249 is a deficient number, since it is larger than the sum of its proper divisors (289676725211).

8400625030249 is a wasteful number, since it uses less digits than its factorization.

8400625030249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289676725210.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 8400625030249 in words is "eight trillion, four hundred billion, six hundred twenty-five million, thirty thousand, two hundred forty-nine".