26570253019 has 2 divisors, whose sum is σ = 26570253020. Its totient is φ = 26570253018.

The previous prime is 26570252999. The next prime is 26570253053. The reversal of 26570253019 is 91035207562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26570253019 - 2²⁷ = 26436035291 is a prime.

It is a super-2 number, since 2×26570253019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26570253119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13285126509 + 13285126510.

It is an arithmetic number, because the mean of its divisors is an integer number (13285126510).

Almost surely, 2^26570253019 is an apocalyptic number.

26570253019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26570253019 is an equidigital number, since it uses as much as digits as its factorization.

26570253019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 26570253019 in words is "twenty-six billion, five hundred seventy million, two hundred fifty-three thousand, nineteen".