456122176409 has 4 divisors (see below), whose sum is σ = 458437517604. Its totient is φ = 453806835216.

The previous prime is 456122176387. The next prime is 456122176421. The reversal of 456122176409 is 904671221654.

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 447297452809 + 8824723600 = 668803^2 + 93940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456122176409 is a prime.

It is a super-2 number, since 2×456122176409² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456122176429) 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, 1157670302 + ... + 1157670695.

It is an arithmetic number, because the mean of its divisors is an integer number (114609379401).

Almost surely, 2^456122176409 is an apocalyptic number.

It is an amenable number.

456122176409 is a deficient number, since it is larger than the sum of its proper divisors (2315341195).

456122176409 is a wasteful number, since it uses less digits than its factorization.

456122176409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315341194.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 456122176409 in words is "four hundred fifty-six billion, one hundred twenty-two million, one hundred seventy-six thousand, four hundred nine".