50699892739 has 12 divisors (see below), whose sum is σ = 52665030264. Its totient is φ = 48781522944.

The previous prime is 50699892731. The next prime is 50699892757. The reversal of 50699892739 is 93729899605.

It is not a de Polignac number, because 50699892739 - 2³ = 50699892731 is a prime.

It is a super-2 number, since 2×50699892739² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50699892731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61699 + ... + 324355.

It is an arithmetic number, because the mean of its divisors is an integer number (4388752522).

Almost surely, 2^50699892739 is an apocalyptic number.

50699892739 is a deficient number, since it is larger than the sum of its proper divisors (1965137525).

50699892739 is an equidigital number, since it uses as much as digits as its factorization.

50699892739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262834 (or 262767 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 67.

The spelling of 50699892739 in words is "fifty billion, six hundred ninety-nine million, eight hundred ninety-two thousand, seven hundred thirty-nine".