26402437063 has 2 divisors, whose sum is σ = 26402437064. Its totient is φ = 26402437062.

The previous prime is 26402437043. The next prime is 26402437067. The reversal of 26402437063 is 36073420462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26402437063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26402437067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201218531 + 13201218532.

It is an arithmetic number, because the mean of its divisors is an integer number (13201218532).

Almost surely, 2^26402437063 is an apocalyptic number.

26402437063 is a deficient number, since it is larger than the sum of its proper divisors (1).

26402437063 is an equidigital number, since it uses as much as digits as its factorization.

26402437063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 26402437063 in words is "twenty-six billion, four hundred two million, four hundred thirty-seven thousand, sixty-three".