50403319999 has 4 divisors (see below), whose sum is σ = 50506818064. Its totient is φ = 50299821936.

The previous prime is 50403319973. The next prime is 50403320057. The reversal of 50403319999 is 99991330405.

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

It is a cyclic number.

It is not a de Polignac number, because 50403319999 - 2⁹ = 50403319487 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 (50403319199) 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, 51748302 + ... + 51749275.

It is an arithmetic number, because the mean of its divisors is an integer number (12626704516).

Almost surely, 2^50403319999 is an apocalyptic number.

50403319999 is a deficient number, since it is larger than the sum of its proper divisors (103498065).

50403319999 is a wasteful number, since it uses less digits than its factorization.

50403319999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103498064.

The product of its (nonzero) digits is 1180980, while the sum is 52.

The spelling of 50403319999 in words is "fifty billion, four hundred three million, three hundred nineteen thousand, nine hundred ninety-nine".