455906921081 has 8 divisors (see below), whose sum is σ = 475735755264. Its totient is φ = 436078653120.

The previous prime is 455906921069. The next prime is 455906921089. The reversal of 455906921081 is 180129609554.

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

It is not a de Polignac number, because 455906921081 - 2⁶ = 455906921017 is a prime.

It is a super-2 number, since 2×455906921081² (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 (455906921089) 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 7 ways as a sum of consecutive naturals, for example, 2842040 + ... + 2998166.

It is an arithmetic number, because the mean of its divisors is an integer number (59466969408).

Almost surely, 2^455906921081 is an apocalyptic number.

It is an amenable number.

455906921081 is a deficient number, since it is larger than the sum of its proper divisors (19828834183).

455906921081 is a wasteful number, since it uses less digits than its factorization.

455906921081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283111.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 455906921081 in words is "four hundred fifty-five billion, nine hundred six million, nine hundred twenty-one thousand, eighty-one".