500900321687 has 2 divisors, whose sum is σ = 500900321688. Its totient is φ = 500900321686.

The previous prime is 500900321659. The next prime is 500900321689. The reversal of 500900321687 is 786123009005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500900321687 - 2¹⁶ = 500900256151 is a prime.

It is a super-2 number, since 2×500900321687² (a number of 24 digits) contains 22 as substring.

Together with 500900321689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500900321689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250450160843 + 250450160844.

It is an arithmetic number, because the mean of its divisors is an integer number (250450160844).

Almost surely, 2^500900321687 is an apocalyptic number.

500900321687 is a deficient number, since it is larger than the sum of its proper divisors (1).

500900321687 is an equidigital number, since it uses as much as digits as its factorization.

500900321687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 500900321687 in words is "five hundred billion, nine hundred million, three hundred twenty-one thousand, six hundred eighty-seven".