26107937690 has 8 divisors (see below), whose sum is σ = 46994287860. Its totient is φ = 10443175072.

The previous prime is 26107937659. The next prime is 26107937699. The reversal of 26107937690 is 9673970162.

It can be written as a sum of positive squares in 2 ways, for example, as 22696326409 + 3411611281 = 150653^2 + 58409^2 .

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

It is a super-2 number, since 2×26107937690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26107937699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305396875 + ... + 1305396894.

Almost surely, 2^26107937690 is an apocalyptic number.

26107937690 is a deficient number, since it is larger than the sum of its proper divisors (20886350170).

26107937690 is a wasteful number, since it uses less digits than its factorization.

26107937690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610793776.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 26107937690 in words is "twenty-six billion, one hundred seven million, nine hundred thirty-seven thousand, six hundred ninety".