456064522421 has 4 divisors (see below), whose sum is σ = 460580012844. Its totient is φ = 451549032000.

The previous prime is 456064522409. The next prime is 456064522469. The reversal of 456064522421 is 124225460654.

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 321018562225 + 135045960196 = 566585^2 + 367486^2 .

It is a cyclic number.

It is not a de Polignac number, because 456064522421 - 2⁶ = 456064522357 is a prime.

It is a super-2 number, since 2×456064522421² (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 (456064522471) 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, 2257745060 + ... + 2257745261.

It is an arithmetic number, because the mean of its divisors is an integer number (115145003211).

Almost surely, 2^456064522421 is an apocalyptic number.

It is an amenable number.

456064522421 is a deficient number, since it is larger than the sum of its proper divisors (4515490423).

456064522421 is a wasteful number, since it uses less digits than its factorization.

456064522421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515490422.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 456064522421 in words is "four hundred fifty-six billion, sixty-four million, five hundred twenty-two thousand, four hundred twenty-one".