26739590707 has 2 divisors, whose sum is σ = 26739590708. Its totient is φ = 26739590706.

The previous prime is 26739590653. The next prime is 26739590753. The reversal of 26739590707 is 70709593762.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26739590707 is a prime.

It is a super-2 number, since 2×26739590707² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26739591707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13369795353 + 13369795354.

It is an arithmetic number, because the mean of its divisors is an integer number (13369795354).

Almost surely, 2^26739590707 is an apocalyptic number.

26739590707 is a deficient number, since it is larger than the sum of its proper divisors (1).

26739590707 is an equidigital number, since it uses as much as digits as its factorization.

26739590707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000940, while the sum is 55.

The spelling of 26739590707 in words is "twenty-six billion, seven hundred thirty-nine million, five hundred ninety thousand, seven hundred seven".