456238443169 has 4 divisors (see below), whose sum is σ = 456696055444. Its totient is φ = 455780830896.

The previous prime is 456238443139. The next prime is 456238443181. The reversal of 456238443169 is 961344832654.

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 327115363600 + 129123079569 = 571940^2 + 359337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456238443169 is a prime.

It is a super-2 number, since 2×456238443169² (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 (456238443139) 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, 228804642 + ... + 228806635.

It is an arithmetic number, because the mean of its divisors is an integer number (114174013861).

Almost surely, 2^456238443169 is an apocalyptic number.

It is an amenable number.

456238443169 is a deficient number, since it is larger than the sum of its proper divisors (457612275).

456238443169 is an equidigital number, since it uses as much as digits as its factorization.

456238443169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457612274.

The product of its digits is 14929920, while the sum is 55.

The spelling of 456238443169 in words is "four hundred fifty-six billion, two hundred thirty-eight million, four hundred forty-three thousand, one hundred sixty-nine".