50720012169 has 8 divisors (see below), whose sum is σ = 68636036640. Its totient is φ = 33308664576.

The previous prime is 50720012141. The next prime is 50720012201. The reversal of 50720012169 is 96121002705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50720012169 - 2⁸ = 50720011913 is a prime.

It is a super-2 number, since 2×50720012169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50720012269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126168984 + ... + 126169385.

It is an arithmetic number, because the mean of its divisors is an integer number (8579504580).

Almost surely, 2^50720012169 is an apocalyptic number.

It is an amenable number.

50720012169 is a deficient number, since it is larger than the sum of its proper divisors (17916024471).

50720012169 is a wasteful number, since it uses less digits than its factorization.

50720012169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252338439.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 50720012169 in words is "fifty billion, seven hundred twenty million, twelve thousand, one hundred sixty-nine".