50000990605 has 16 divisors (see below), whose sum is σ = 61630081920. Its totient is φ = 38921940288.

The previous prime is 50000990593. The next prime is 50000990617. The reversal of 50000990605 is 50609900005.

It is an interprime number because it is at equal distance from previous prime (50000990593) and next prime (50000990617).

It is a cyclic number.

It is not a de Polignac number, because 50000990605 - 2¹³ = 50000982413 is a prime.

It is a super-2 number, since 2×50000990605² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385590 + ... + 498679.

It is an arithmetic number, because the mean of its divisors is an integer number (3851880120).

Almost surely, 2^50000990605 is an apocalyptic number.

It is an amenable number.

50000990605 is a deficient number, since it is larger than the sum of its proper divisors (11629091315).

50000990605 is a wasteful number, since it uses less digits than its factorization.

50000990605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884580.

The product of its (nonzero) digits is 12150, while the sum is 34.

The spelling of 50000990605 in words is "fifty billion, nine hundred ninety thousand, six hundred five".