26975000401 has 2 divisors, whose sum is σ = 26975000402. Its totient is φ = 26975000400.

The previous prime is 26975000357. The next prime is 26975000411. The reversal of 26975000401 is 10400057962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25720140625 + 1254859776 = 160375^2 + 35424^2 .

It is a cyclic number.

It is not a de Polignac number, because 26975000401 - 2²⁵ = 26941445969 is a prime.

It is not a weakly prime, because it can be changed into another prime (26975000411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487500200 + 13487500201.

It is an arithmetic number, because the mean of its divisors is an integer number (13487500201).

Almost surely, 2^26975000401 is an apocalyptic number.

It is an amenable number.

26975000401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26975000401 is an equidigital number, since it uses as much as digits as its factorization.

26975000401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 26975000401 in words is "twenty-six billion, nine hundred seventy-five million, four hundred one", and thus it is an aban number.