455615446989 has 16 divisors (see below), whose sum is σ = 620304003072. Its totient is φ = 297396004608.

The previous prime is 455615446943. The next prime is 455615447041. The reversal of 455615446989 is 989644516554.

It is not a de Polignac number, because 455615446989 - 2¹⁷ = 455615315917 is a prime.

It is a super-2 number, since 2×455615446989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455615446919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7562829 + ... + 7622834.

It is an arithmetic number, because the mean of its divisors is an integer number (38769000192).

Almost surely, 2^455615446989 is an apocalyptic number.

It is an amenable number.

455615446989 is a deficient number, since it is larger than the sum of its proper divisors (164688556083).

455615446989 is a wasteful number, since it uses less digits than its factorization.

455615446989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185876.

The product of its digits is 186624000, while the sum is 66.

The spelling of 455615446989 in words is "four hundred fifty-five billion, six hundred fifteen million, four hundred forty-six thousand, nine hundred eighty-nine".