465132916781 has 16 divisors (see below), whose sum is σ = 523170076800. Its totient is φ = 410668792128.

The previous prime is 465132916727. The next prime is 465132916841. The reversal of 465132916781 is 187619231564.

It is a de Polignac number, because none of the positive numbers 2^k-465132916781 is a prime.

It is a super-2 number, since 2×465132916781² (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 (465132913781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8166641 + ... + 8223398.

It is an arithmetic number, because the mean of its divisors is an integer number (32698129800).

Almost surely, 2^465132916781 is an apocalyptic number.

It is an amenable number.

465132916781 is a deficient number, since it is larger than the sum of its proper divisors (58037160019).

465132916781 is a wasteful number, since it uses less digits than its factorization.

465132916781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390148.

The product of its digits is 2177280, while the sum is 53.

The spelling of 465132916781 in words is "four hundred sixty-five billion, one hundred thirty-two million, nine hundred sixteen thousand, seven hundred eighty-one".