26844014957 has 2 divisors, whose sum is σ = 26844014958. Its totient is φ = 26844014956.

The previous prime is 26844014927. The next prime is 26844014983. The reversal of 26844014957 is 75941044862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23111904676 + 3732110281 = 152026^2 + 61091^2 .

It is a cyclic number.

It is not a de Polignac number, because 26844014957 - 2⁶ = 26844014893 is a prime.

It is a super-2 number, since 2×26844014957² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26844014927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13422007478 + 13422007479.

It is an arithmetic number, because the mean of its divisors is an integer number (13422007479).

Almost surely, 2^26844014957 is an apocalyptic number.

It is an amenable number.

26844014957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26844014957 is an equidigital number, since it uses as much as digits as its factorization.

26844014957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 26844014957 in words is "twenty-six billion, eight hundred forty-four million, fourteen thousand, nine hundred fifty-seven".