506142505631645 has 8 divisors (see below), whose sum is σ = 607371966639360. Its totient is φ = 404913364584400.

The previous prime is 506142505631599. The next prime is 506142505631681. The reversal of 506142505631645 is 546136505241605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-506142505631645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76496081 + ... + 82848870.

It is an arithmetic number, because the mean of its divisors is an integer number (75921495829920).

Almost surely, 2^{506142505631645} is an apocalyptic number.

It is an amenable number.

506142505631645 is a deficient number, since it is larger than the sum of its proper divisors (101229461007715).

506142505631645 is a wasteful number, since it uses less digits than its factorization.

506142505631645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159980235.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 506142505631645 in words is "five hundred six trillion, one hundred forty-two billion, five hundred five million, six hundred thirty-one thousand, six hundred forty-five".