50709206691 has 192 divisors, whose sum is σ = 94083784704. Its totient is φ = 25866086400.

The previous prime is 50709206627. The next prime is 50709206701. The reversal of 50709206691 is 19660290705.

It is a happy number.

It is not a de Polignac number, because 50709206691 - 2⁶ = 50709206627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50709206291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 66986685 + ... + 66987441.

It is an arithmetic number, because the mean of its divisors is an integer number (490019712).

Almost surely, 2^50709206691 is an apocalyptic number.

50709206691 is a deficient number, since it is larger than the sum of its proper divisors (43374578013).

50709206691 is a wasteful number, since it uses less digits than its factorization.

50709206691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 50709206691 in words is "fifty billion, seven hundred nine million, two hundred six thousand, six hundred ninety-one".