50024593721 has 2 divisors, whose sum is σ = 50024593722. Its totient is φ = 50024593720.

The previous prime is 50024593627. The next prime is 50024593733. The reversal of 50024593721 is 12739542005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45524196496 + 4500397225 = 213364^2 + 67085^2 .

It is a cyclic number.

It is not a de Polignac number, because 50024593721 - 2²² = 50020399417 is a prime.

It is a super-2 number, since 2×50024593721² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50024593741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25012296860 + 25012296861.

It is an arithmetic number, because the mean of its divisors is an integer number (25012296861).

Almost surely, 2^50024593721 is an apocalyptic number.

It is an amenable number.

50024593721 is a deficient number, since it is larger than the sum of its proper divisors (1).

50024593721 is an equidigital number, since it uses as much as digits as its factorization.

50024593721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 50024593721 in words is "fifty billion, twenty-four million, five hundred ninety-three thousand, seven hundred twenty-one".