50723441621 has 4 divisors (see below), whose sum is σ = 52928808672. Its totient is φ = 48518074572.

The previous prime is 50723441617. The next prime is 50723441623. The reversal of 50723441621 is 12614432705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50723441621 - 2² = 50723441617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50723441623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102683491 + ... + 1102683536.

It is an arithmetic number, because the mean of its divisors is an integer number (13232202168).

Almost surely, 2^50723441621 is an apocalyptic number.

It is an amenable number.

50723441621 is a deficient number, since it is larger than the sum of its proper divisors (2205367051).

50723441621 is a wasteful number, since it uses less digits than its factorization.

50723441621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205367050.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 50723441621 in words is "fifty billion, seven hundred twenty-three million, four hundred forty-one thousand, six hundred twenty-one".