509066201431 has 4 divisors (see below), whose sum is σ = 509224250664. Its totient is φ = 508908152200.

The previous prime is 509066201383. The next prime is 509066201437. The reversal of 509066201431 is 134102660905.

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 509066201431 - 2²⁵ = 509032646999 is a prime.

It is a super-2 number, since 2×509066201431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509066201437) 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, 79019785 + ... + 79026226.

It is an arithmetic number, because the mean of its divisors is an integer number (127306062666).

Almost surely, 2^509066201431 is an apocalyptic number.

509066201431 is a deficient number, since it is larger than the sum of its proper divisors (158049233).

509066201431 is a wasteful number, since it uses less digits than its factorization.

509066201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158049232.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 509066201431 in words is "five hundred nine billion, sixty-six million, two hundred one thousand, four hundred thirty-one".