50017642667 has 2 divisors, whose sum is σ = 50017642668. Its totient is φ = 50017642666.

The previous prime is 50017642621. The next prime is 50017642679. The reversal of 50017642667 is 76624671005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50017642667 - 2³⁰ = 48943900843 is a prime.

It is not a weakly prime, because it can be changed into another prime (50017642687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25008821333 + 25008821334.

It is an arithmetic number, because the mean of its divisors is an integer number (25008821334).

Almost surely, 2^50017642667 is an apocalyptic number.

50017642667 is a deficient number, since it is larger than the sum of its proper divisors (1).

50017642667 is an equidigital number, since it uses as much as digits as its factorization.

50017642667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 50017642667 in words is "fifty billion, seventeen million, six hundred forty-two thousand, six hundred sixty-seven".