465631622413 has 4 divisors (see below), whose sum is σ = 465634639260. Its totient is φ = 465628605568.

The previous prime is 465631622387. The next prime is 465631622431. The reversal of 465631622413 is 314226136564.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246295823524 + 219335798889 = 496282^2 + 468333^2 .

It is a cyclic number.

It is not a de Polignac number, because 465631622413 - 2¹³ = 465631614221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 465631622413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465631622453) 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, 1263670 + ... + 1590007.

It is an arithmetic number, because the mean of its divisors is an integer number (116408659815).

Almost surely, 2^465631622413 is an apocalyptic number.

It is an amenable number.

465631622413 is a deficient number, since it is larger than the sum of its proper divisors (3016847).

465631622413 is a wasteful number, since it uses less digits than its factorization.

465631622413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016846.

The product of its digits is 622080, while the sum is 43.

Adding to 465631622413 its reverse (314226136564), we get a palindrome (779857758977).

The spelling of 465631622413 in words is "four hundred sixty-five billion, six hundred thirty-one million, six hundred twenty-two thousand, four hundred thirteen".