50664123967 has 2 divisors, whose sum is σ = 50664123968. Its totient is φ = 50664123966.

The previous prime is 50664123929. The next prime is 50664123973. The reversal of 50664123967 is 76932146605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50664123967 - 2¹⁵ = 50664091199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50664123967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50664123767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25332061983 + 25332061984.

It is an arithmetic number, because the mean of its divisors is an integer number (25332061984).

Almost surely, 2^50664123967 is an apocalyptic number.

50664123967 is a deficient number, since it is larger than the sum of its proper divisors (1).

50664123967 is an equidigital number, since it uses as much as digits as its factorization.

50664123967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 50664123967 in words is "fifty billion, six hundred sixty-four million, one hundred twenty-three thousand, nine hundred sixty-seven".