25738547344 has 20 divisors (see below), whose sum is σ = 50186073724. Its totient is φ = 12787302528.

The previous prime is 25738547323. The next prime is 25738547347. The reversal of 25738547344 is 44374583752.

It can be written as a sum of positive squares in 2 ways, for example, as 5415193744 + 20323353600 = 73588^2 + 142560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25738547291 and 25738547300.

It is not an unprimeable number, because it can be changed into a prime (25738547347) 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, 5120607 + ... + 5125630.

Almost surely, 2^25738547344 is an apocalyptic number.

It is an amenable number.

25738547344 is a deficient number, since it is larger than the sum of its proper divisors (24447526380).

25738547344 is a wasteful number, since it uses less digits than its factorization.

25738547344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246402 (or 10246396 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 52.

The spelling of 25738547344 in words is "twenty-five billion, seven hundred thirty-eight million, five hundred forty-seven thousand, three hundred forty-four".