50643062613 has 48 divisors (see below), whose sum is σ = 86825933376. Its totient is φ = 28039633920.

The previous prime is 50643062579. The next prime is 50643062633. The reversal of 50643062613 is 31626034605.

50643062613 is a `hidden beast` number, since 5 + 0 + 6 + 4 + 30 + 6 + 2 + 613 = 666.

It is not a de Polignac number, because 50643062613 - 2¹³ = 50643054421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50643062633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77995 + ... + 327672.

It is an arithmetic number, because the mean of its divisors is an integer number (1808873612).

Almost surely, 2^50643062613 is an apocalyptic number.

It is an amenable number.

50643062613 is a deficient number, since it is larger than the sum of its proper divisors (36182870763).

50643062613 is a wasteful number, since it uses less digits than its factorization.

50643062613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405794 (or 405791 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 50643062613 in words is "fifty billion, six hundred forty-three million, sixty-two thousand, six hundred thirteen".