50264766691 has 4 divisors (see below), whose sum is σ = 50391378592. Its totient is φ = 50138154792.

The previous prime is 50264766653. The next prime is 50264766719. The reversal of 50264766691 is 19666746205.

It is a happy number.

50264766691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19666746205 = 5 ⋅3933349241.

It is a cyclic number.

It is not a de Polignac number, because 50264766691 - 2³³ = 41674832099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50264766641) 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, 63305355 + ... + 63306148.

It is an arithmetic number, because the mean of its divisors is an integer number (12597844648).

Almost surely, 2^50264766691 is an apocalyptic number.

50264766691 is a deficient number, since it is larger than the sum of its proper divisors (126611901).

50264766691 is a wasteful number, since it uses less digits than its factorization.

50264766691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126611900.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 50264766691 in words is "fifty billion, two hundred sixty-four million, seven hundred sixty-six thousand, six hundred ninety-one".