456013655581 has 8 divisors (see below), whose sum is σ = 497922937344. Its totient is φ = 414179956320.

The previous prime is 456013655569. The next prime is 456013655593. The reversal of 456013655581 is 185556310654.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (456013655569) and next prime (456013655593).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 456013655581 - 2⁷ = 456013655453 is a prime.

It is a super-2 number, since 2×456013655581² (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 (456013653581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18883005 + ... + 18907138.

It is an arithmetic number, because the mean of its divisors is an integer number (62240367168).

Almost surely, 2^456013655581 is an apocalyptic number.

It is an amenable number.

456013655581 is a deficient number, since it is larger than the sum of its proper divisors (41909281763).

456013655581 is a wasteful number, since it uses less digits than its factorization.

456013655581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791251.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 456013655581 in words is "four hundred fifty-six billion, thirteen million, six hundred fifty-five thousand, five hundred eighty-one".