50004427509 has 12 divisors (see below), whose sum is σ = 73908353376. Its totient is φ = 32561022312.

The previous prime is 50004427507. The next prime is 50004427511. The reversal of 50004427509 is 90572440005.

It is an interprime number because it is at equal distance from previous prime (50004427507) and next prime (50004427511).

It is not a de Polignac number, because 50004427509 - 2¹ = 50004427507 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50004427507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64604817 + ... + 64605590.

It is an arithmetic number, because the mean of its divisors is an integer number (6159029448).

Almost surely, 2^50004427509 is an apocalyptic number.

It is an amenable number.

50004427509 is a deficient number, since it is larger than the sum of its proper divisors (23903925867).

50004427509 is a wasteful number, since it uses less digits than its factorization.

50004427509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129210456 (or 129210453 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 50004427509 in words is "fifty billion, four million, four hundred twenty-seven thousand, five hundred nine".