2473885649 has 4 divisors (see below), whose sum is σ = 2475548580. Its totient is φ = 2472222720.

The previous prime is 2473885607. The next prime is 2473885651. The reversal of 2473885649 is 9465883742.

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 1521546049 + 952339600 = 39007^2 + 30860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2473885649 is a prime.

It is a super-2 number, since 2×2473885649² = 12240220408656302402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2473885594 and 2473885603.

It is not an unprimeable number, because it can be changed into a prime (2473885549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829232 + ... + 832209.

It is an arithmetic number, because the mean of its divisors is an integer number (618887145).

Almost surely, 2^2473885649 is an apocalyptic number.

It is an amenable number.

2473885649 is a deficient number, since it is larger than the sum of its proper divisors (1662931).

2473885649 is a wasteful number, since it uses less digits than its factorization.

2473885649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662930.

The product of its digits is 11612160, while the sum is 56.

The square root of 2473885649 is about 49738.1709454620. The cubic root of 2473885649 is about 1352.4665740911.

The spelling of 2473885649 in words is "two billion, four hundred seventy-three million, eight hundred eighty-five thousand, six hundred forty-nine".