25979926514 has 8 divisors (see below), whose sum is σ = 38973575088. Its totient is φ = 12988734820.

The previous prime is 25979926501. The next prime is 25979926547. The reversal of 25979926514 is 41562997952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587552 + ... + 630219.

It is an arithmetic number, because the mean of its divisors is an integer number (4871696886).

Almost surely, 2^25979926514 is an apocalyptic number.

25979926514 is a deficient number, since it is larger than the sum of its proper divisors (12993648574).

25979926514 is a wasteful number, since it uses less digits than its factorization.

25979926514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228440.

The product of its digits is 12247200, while the sum is 59.

The spelling of 25979926514 in words is "twenty-five billion, nine hundred seventy-nine million, nine hundred twenty-six thousand, five hundred fourteen".