25030979973 has 24 divisors (see below), whose sum is σ = 37119345120. Its totient is φ = 16247443680.

The previous prime is 25030979957. The next prime is 25030980053. The reversal of 25030979973 is 37997903052.

It is not a de Polignac number, because 25030979973 - 2⁴ = 25030979957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25030979933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137803 + ... + 262776.

It is an arithmetic number, because the mean of its divisors is an integer number (1546639380).

Almost surely, 2^25030979973 is an apocalyptic number.

It is an amenable number.

25030979973 is a deficient number, since it is larger than the sum of its proper divisors (12088365147).

25030979973 is a wasteful number, since it uses less digits than its factorization.

25030979973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400769 (or 400766 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 54.

The spelling of 25030979973 in words is "twenty-five billion, thirty million, nine hundred seventy-nine thousand, nine hundred seventy-three".