500500963691 has 4 divisors (see below), whose sum is σ = 508705897584. Its totient is φ = 492296029800.

The previous prime is 500500963661. The next prime is 500500963693. The reversal of 500500963691 is 196369005005.

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 500500963691 - 2²⁶ = 500433854827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500500963693) 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, 4102466855 + ... + 4102466976.

It is an arithmetic number, because the mean of its divisors is an integer number (127176474396).

Almost surely, 2^500500963691 is an apocalyptic number.

500500963691 is a deficient number, since it is larger than the sum of its proper divisors (8204933893).

500500963691 is an equidigital number, since it uses as much as digits as its factorization.

500500963691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204933892.

The product of its (nonzero) digits is 218700, while the sum is 44.

Adding to 500500963691 its reverse (196369005005), we get a palindrome (696869968696).

The spelling of 500500963691 in words is "five hundred billion, five hundred million, nine hundred sixty-three thousand, six hundred ninety-one".