26570074913 has 2 divisors, whose sum is σ = 26570074914. Its totient is φ = 26570074912.

The previous prime is 26570074889. The next prime is 26570074919. The reversal of 26570074913 is 31947007562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22421169169 + 4148905744 = 149737^2 + 64412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26570074913 is a prime.

It is not a weakly prime, because it can be changed into another prime (26570074919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13285037456 + 13285037457.

It is an arithmetic number, because the mean of its divisors is an integer number (13285037457).

Almost surely, 2^26570074913 is an apocalyptic number.

It is an amenable number.

26570074913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26570074913 is an equidigital number, since it uses as much as digits as its factorization.

26570074913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 26570074913 in words is "twenty-six billion, five hundred seventy million, seventy-four thousand, nine hundred thirteen".