50025260639 has 4 divisors (see below), whose sum is σ = 50710538256. Its totient is φ = 49339983024.

The previous prime is 50025260591. The next prime is 50025260651. The reversal of 50025260639 is 93606252005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50025260639 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 (50025260039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342638699 + ... + 342638844.

It is an arithmetic number, because the mean of its divisors is an integer number (12677634564).

Almost surely, 2^50025260639 is an apocalyptic number.

50025260639 is a deficient number, since it is larger than the sum of its proper divisors (685277617).

50025260639 is an equidigital number, since it uses as much as digits as its factorization.

50025260639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685277616.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 50025260639 in words is "fifty billion, twenty-five million, two hundred sixty thousand, six hundred thirty-nine".