501659942197 has 8 divisors (see below), whose sum is σ = 501888207744. Its totient is φ = 501431731728.

The previous prime is 501659942183. The next prime is 501659942263. The reversal of 501659942197 is 791249956105.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501659942197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501659912197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40902288 + ... + 40914550.

It is an arithmetic number, because the mean of its divisors is an integer number (62736025968).

Almost surely, 2^501659942197 is an apocalyptic number.

It is an amenable number.

501659942197 is a deficient number, since it is larger than the sum of its proper divisors (228265547).

501659942197 is a wasteful number, since it uses less digits than its factorization.

501659942197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27539.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 501659942197 in words is "five hundred one billion, six hundred fifty-nine million, nine hundred forty-two thousand, one hundred ninety-seven".