506342142331651 has 4 divisors (see below), whose sum is σ = 508741868124904. Its totient is φ = 503942416538400.

The previous prime is 506342142331567. The next prime is 506342142331679. The reversal of 506342142331651 is 156133241243605.

It is a happy number.

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 506342142331651 - 2²⁹ = 506341605460739 is a prime.

It is a super-3 number, since 3×506342142331651³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506342142331681) 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, 1199862896310 + ... + 1199862896731.

It is an arithmetic number, because the mean of its divisors is an integer number (127185467031226).

Almost surely, 2^{506342142331651} is an apocalyptic number.

506342142331651 is a deficient number, since it is larger than the sum of its proper divisors (2399725793253).

506342142331651 is a wasteful number, since it uses less digits than its factorization.

506342142331651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399725793252.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 506342142331651 in words is "five hundred six trillion, three hundred forty-two billion, one hundred forty-two million, three hundred thirty-one thousand, six hundred fifty-one".