26889713651 has 2 divisors, whose sum is σ = 26889713652. Its totient is φ = 26889713650.

The previous prime is 26889713647. The next prime is 26889713659. The reversal of 26889713651 is 15631798862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26889713651 - 2² = 26889713647 is a prime.

It is not a weakly prime, because it can be changed into another prime (26889713659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13444856825 + 13444856826.

It is an arithmetic number, because the mean of its divisors is an integer number (13444856826).

Almost surely, 2^26889713651 is an apocalyptic number.

26889713651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26889713651 is an equidigital number, since it uses as much as digits as its factorization.

26889713651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The spelling of 26889713651 in words is "twenty-six billion, eight hundred eighty-nine million, seven hundred thirteen thousand, six hundred fifty-one".