50001999999999 has 16 divisors (see below), whose sum is σ = 70655408090208. Its totient is φ = 31345204247552.

The previous prime is 50001999999997. The next prime is 50002000000003. The reversal of 50001999999999 is 99999999910005.

It is a cyclic number.

It is not a de Polignac number, because 50001999999999 - 2¹ = 50001999999997 is a prime.

50001999999999 is a modest number, since divided by 9999999 gives 5000199 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001999999997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446813412 + ... + 446925305.

It is an arithmetic number, because the mean of its divisors is an integer number (4415963005638).

Almost surely, 2^{50001999999999} is an apocalyptic number.

50001999999999 is a deficient number, since it is larger than the sum of its proper divisors (20653408090209).

50001999999999 is a wasteful number, since it uses less digits than its factorization.

50001999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893739834.

The product of its (nonzero) digits is 1937102445, while the sum is 87.

The spelling of 50001999999999 in words is "fifty trillion, one billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".