26942795837 has 2 divisors, whose sum is σ = 26942795838. Its totient is φ = 26942795836.

The previous prime is 26942795833. The next prime is 26942795843. The reversal of 26942795837 is 73859724962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24307616281 + 2635179556 = 155909^2 + 51334^2 .

It is a cyclic number.

It is not a de Polignac number, because 26942795837 - 2² = 26942795833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26942795837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26942795833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13471397918 + 13471397919.

It is an arithmetic number, because the mean of its divisors is an integer number (13471397919).

Almost surely, 2^26942795837 is an apocalyptic number.

It is an amenable number.

26942795837 is a deficient number, since it is larger than the sum of its proper divisors (1).

26942795837 is an equidigital number, since it uses as much as digits as its factorization.

26942795837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 62.

The spelling of 26942795837 in words is "twenty-six billion, nine hundred forty-two million, seven hundred ninety-five thousand, eight hundred thirty-seven".