465511630431 has 16 divisors (see below), whose sum is σ = 624548913408. Its totient is φ = 308408611200.

The previous prime is 465511630421. The next prime is 465511630433. The reversal of 465511630431 is 134036115564.

It is not a de Polignac number, because 465511630431 - 2¹⁷ = 465511499359 is a prime.

It is a super-2 number, since 2×465511630431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 465511630431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465511630433) 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, 2015196 + ... + 2234286.

It is an arithmetic number, because the mean of its divisors is an integer number (39034307088).

Almost surely, 2^465511630431 is an apocalyptic number.

465511630431 is a deficient number, since it is larger than the sum of its proper divisors (159037282977).

465511630431 is a wasteful number, since it uses less digits than its factorization.

465511630431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223502.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 465511630431 its reverse (134036115564), we get a palindrome (599547745995).

The spelling of 465511630431 in words is "four hundred sixty-five billion, five hundred eleven million, six hundred thirty thousand, four hundred thirty-one".