507831021842 has 8 divisors (see below), whose sum is σ = 801838455600. Its totient is φ = 240551536644.

The previous prime is 507831021827. The next prime is 507831021911. The reversal of 507831021842 is 248120138705.

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

It is a self number, because there is not a number n which added to its sum of digits gives 507831021842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6681987092 + ... + 6681987167.

It is an arithmetic number, because the mean of its divisors is an integer number (100229806950).

Almost surely, 2^507831021842 is an apocalyptic number.

507831021842 is a deficient number, since it is larger than the sum of its proper divisors (294007433758).

507831021842 is a wasteful number, since it uses less digits than its factorization.

507831021842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363974280.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 507831021842 in words is "five hundred seven billion, eight hundred thirty-one million, twenty-one thousand, eight hundred forty-two".