50711396813 has 24 divisors (see below), whose sum is σ = 63774451776. Its totient is φ = 39498436560.

The previous prime is 50711396807. The next prime is 50711396819. The reversal of 50711396813 is 31869311705.

50711396813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50711396807) and next prime (50711396819).

It is not a de Polignac number, because 50711396813 - 2⁸ = 50711396557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50711396819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21735395 + ... + 21737727.

It is an arithmetic number, because the mean of its divisors is an integer number (2657268824).

Almost surely, 2^50711396813 is an apocalyptic number.

It is an amenable number.

50711396813 is a deficient number, since it is larger than the sum of its proper divisors (13063054963).

50711396813 is an frugal number, since it uses more digits than its factorization.

50711396813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 50711396813 in words is "fifty billion, seven hundred eleven million, three hundred ninety-six thousand, eight hundred thirteen".