50870315749 has 4 divisors (see below), whose sum is σ = 55494889920. Its totient is φ = 46245741580.

The previous prime is 50870315729. The next prime is 50870315759. The reversal of 50870315749 is 94751307805.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50870315749 - 2¹¹ = 50870313701 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50870315729) 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, 2312287069 + ... + 2312287090.

It is an arithmetic number, because the mean of its divisors is an integer number (13873722480).

Almost surely, 2^50870315749 is an apocalyptic number.

It is an amenable number.

50870315749 is a deficient number, since it is larger than the sum of its proper divisors (4624574171).

50870315749 is a wasteful number, since it uses less digits than its factorization.

50870315749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624574170.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 50870315749 in words is "fifty billion, eight hundred seventy million, three hundred fifteen thousand, seven hundred forty-nine".