465536230521 has 4 divisors (see below), whose sum is σ = 620714974032. Its totient is φ = 310357487012.

The previous prime is 465536230477. The next prime is 465536230531. The reversal of 465536230521 is 125032635564.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 465536230521 - 2²⁷ = 465402012793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (465536230531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77589371751 + ... + 77589371756.

It is an arithmetic number, because the mean of its divisors is an integer number (155178743508).

Almost surely, 2^465536230521 is an apocalyptic number.

It is an amenable number.

465536230521 is a deficient number, since it is larger than the sum of its proper divisors (155178743511).

465536230521 is a wasteful number, since it uses less digits than its factorization.

465536230521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155178743510.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 465536230521 in words is "four hundred sixty-five billion, five hundred thirty-six million, two hundred thirty thousand, five hundred twenty-one".