25787329413 has 16 divisors (see below), whose sum is σ = 35405609280. Its totient is φ = 16682754816.

The previous prime is 25787329409. The next prime is 25787329423. The reversal of 25787329413 is 31492378752.

It is not a de Polignac number, because 25787329413 - 2² = 25787329409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25787329423) 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, 264420 + ... + 348557.

It is an arithmetic number, because the mean of its divisors is an integer number (2212850580).

Almost surely, 2^25787329413 is an apocalyptic number.

It is an amenable number.

25787329413 is a deficient number, since it is larger than the sum of its proper divisors (9618279867).

25787329413 is a wasteful number, since it uses less digits than its factorization.

25787329413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613396.

The product of its digits is 2540160, while the sum is 51.

The spelling of 25787329413 in words is "twenty-five billion, seven hundred eighty-seven million, three hundred twenty-nine thousand, four hundred thirteen".