50787234013 has 4 divisors (see below), whose sum is σ = 50788348380. Its totient is φ = 50786119648.

The previous prime is 50787234011. The next prime is 50787234077. The reversal of 50787234013 is 31043278705.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21627231844 + 29160002169 = 147062^2 + 170763^2 .

It is a cyclic number.

It is not a de Polignac number, because 50787234013 - 2¹ = 50787234011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50787234011) 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, 485770 + ... + 580987.

It is an arithmetic number, because the mean of its divisors is an integer number (12697087095).

Almost surely, 2^50787234013 is an apocalyptic number.

It is an amenable number.

50787234013 is a deficient number, since it is larger than the sum of its proper divisors (1114367).

50787234013 is a wasteful number, since it uses less digits than its factorization.

50787234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114366.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 50787234013 in words is "fifty billion, seven hundred eighty-seven million, two hundred thirty-four thousand, thirteen".