500642336154545 has 16 divisors (see below), whose sum is σ = 650812249471440. Its totient is φ = 369705109767552.

The previous prime is 500642336154491. The next prime is 500642336154557. The reversal of 500642336154545 is 545451633246005.

It can be written as a sum of positive squares in 8 ways, for example, as 406613028963904 + 94029307190641 = 20164648^2 + 9696871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-500642336154545 is a prime.

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, 22787532764 + ... + 22787554733.

It is an arithmetic number, because the mean of its divisors is an integer number (40675765591965).

Almost surely, 2^{500642336154545} is an apocalyptic number.

It is an amenable number.

500642336154545 is a deficient number, since it is larger than the sum of its proper divisors (150169913316895).

500642336154545 is an equidigital number, since it uses as much as digits as its factorization.

500642336154545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45575087541 (or 45575087515 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 53.

The spelling of 500642336154545 in words is "five hundred trillion, six hundred forty-two billion, three hundred thirty-six million, one hundred fifty-four thousand, five hundred forty-five".