453911745656 has 32 divisors (see below), whose sum is σ = 887068416000. Its totient is φ = 217502327520.

The previous prime is 453911745619. The next prime is 453911745697. The reversal of 453911745656 is 656547119354.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8859356 + ... + 8910443.

It is an arithmetic number, because the mean of its divisors is an integer number (27720888000).

Almost surely, 2^453911745656 is an apocalyptic number.

It is an amenable number.

453911745656 is a deficient number, since it is larger than the sum of its proper divisors (433156670344).

453911745656 is a wasteful number, since it uses less digits than its factorization.

453911745656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17769939 (or 17769935 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 56.

The spelling of 453911745656 in words is "four hundred fifty-three billion, nine hundred eleven million, seven hundred forty-five thousand, six hundred fifty-six".