64826650131311 has 2 divisors, whose sum is σ = 64826650131312. Its totient is φ = 64826650131310.

The previous prime is 64826650131259. The next prime is 64826650131317. The reversal of 64826650131311 is 11313105662846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64826650131311 - 2²⁶ = 64826583022447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64826650131317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32413325065655 + 32413325065656.

It is an arithmetic number, because the mean of its divisors is an integer number (32413325065656).

Almost surely, 2^{64826650131311} is an apocalyptic number.

64826650131311 is a deficient number, since it is larger than the sum of its proper divisors (1).

64826650131311 is an equidigital number, since it uses as much as digits as its factorization.

64826650131311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 64826650131311 in words is "sixty-four trillion, eight hundred twenty-six billion, six hundred fifty million, one hundred thirty-one thousand, three hundred eleven".