25734025493 has 16 divisors (see below), whose sum is σ = 28395576000. Its totient is φ = 23127137280.

The previous prime is 25734025459. The next prime is 25734025517. The reversal of 25734025493 is 39452043752.

It is a cyclic number.

It is not a de Polignac number, because 25734025493 - 2¹⁰ = 25734024469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25734021493) 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, 506933 + ... + 555381.

It is an arithmetic number, because the mean of its divisors is an integer number (1774723500).

Almost surely, 2^25734025493 is an apocalyptic number.

It is an amenable number.

25734025493 is a deficient number, since it is larger than the sum of its proper divisors (2661550507).

25734025493 is a wasteful number, since it uses less digits than its factorization.

25734025493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49012.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 25734025493 in words is "twenty-five billion, seven hundred thirty-four million, twenty-five thousand, four hundred ninety-three".