25572883749 has 16 divisors (see below), whose sum is σ = 39123463680. Its totient is φ = 14554854000.

The previous prime is 25572883741. The next prime is 25572883751. The reversal of 25572883749 is 94738827552.

It is not a de Polignac number, because 25572883749 - 2³ = 25572883741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25572883692 and 25572883701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572883741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420539 + ... + 2431080.

It is an arithmetic number, because the mean of its divisors is an integer number (2445216480).

Almost surely, 2^25572883749 is an apocalyptic number.

It is an amenable number.

25572883749 is a deficient number, since it is larger than the sum of its proper divisors (13550579931).

25572883749 is a wasteful number, since it uses less digits than its factorization.

25572883749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851880.

The product of its digits is 33868800, while the sum is 60.

The spelling of 25572883749 in words is "twenty-five billion, five hundred seventy-two million, eight hundred eighty-three thousand, seven hundred forty-nine".