50394588667 has 2 divisors, whose sum is σ = 50394588668. Its totient is φ = 50394588666.

The previous prime is 50394588599. The next prime is 50394588703. The reversal of 50394588667 is 76688549305.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50394588667 is a prime.

It is a super-2 number, since 2×50394588667² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50394888667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25197294333 + 25197294334.

It is an arithmetic number, because the mean of its divisors is an integer number (25197294334).

Almost surely, 2^50394588667 is an apocalyptic number.

50394588667 is a deficient number, since it is larger than the sum of its proper divisors (1).

50394588667 is an equidigital number, since it uses as much as digits as its factorization.

50394588667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 50394588667 in words is "fifty billion, three hundred ninety-four million, five hundred eighty-eight thousand, six hundred sixty-seven".