45256641633 has 48 divisors (see below), whose sum is σ = 82060692480. Its totient is φ = 23434611552.

The previous prime is 45256641631. The next prime is 45256641637. The reversal of 45256641633 is 33614665254.

45256641633 is a `hidden beast` number, since 4 + 5 + 2 + 5 + 6 + 6 + 4 + 1 + 633 = 666.

It is not a de Polignac number, because 45256641633 - 2¹ = 45256641631 is a prime.

It is a super-2 number, since 2×45256641633² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45256641631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794391 + ... + 849452.

It is an arithmetic number, because the mean of its divisors is an integer number (1709597760).

Almost surely, 2^45256641633 is an apocalyptic number.

It is an amenable number.

45256641633 is a deficient number, since it is larger than the sum of its proper divisors (36804050847).

45256641633 is a wasteful number, since it uses less digits than its factorization.

45256641633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643898 (or 1643895 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 45256641633 in words is "forty-five billion, two hundred fifty-six million, six hundred forty-one thousand, six hundred thirty-three".