26510868339 has 16 divisors (see below), whose sum is σ = 36605183904. Its totient is φ = 17056166400.

The previous prime is 26510868311. The next prime is 26510868353. The reversal of 26510868339 is 93386801562.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-26510868339 is a prime.

It is a super-2 number, since 2×26510868339² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26510868291 and 26510868300.

It is not an unprimeable number, because it can be changed into a prime (26510860339) 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, 1356982 + ... + 1376379.

It is an arithmetic number, because the mean of its divisors is an integer number (2287823994).

Almost surely, 2^26510868339 is an apocalyptic number.

26510868339 is a deficient number, since it is larger than the sum of its proper divisors (10094315565).

26510868339 is a wasteful number, since it uses less digits than its factorization.

26510868339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733478.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 26510868339 in words is "twenty-six billion, five hundred ten million, eight hundred sixty-eight thousand, three hundred thirty-nine".