45639966993654 has 64 divisors (see below), whose sum is σ = 99649097856000. Its totient is φ = 13820437092000.

The previous prime is 45639966993611. The next prime is 45639966993659.

45639966993654 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45639966993659) 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 31 ways as a sum of consecutive naturals, for example, 556740889 + ... + 556822859.

It is an arithmetic number, because the mean of its divisors is an integer number (1557017154000).

Almost surely, 2^{45639966993654} is an apocalyptic number.

45639966993654 is an abundant number, since it is smaller than the sum of its proper divisors (54009130862346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45639966993654 is a wasteful number, since it uses less digits than its factorization.

45639966993654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87897.

The product of its digits is 30611001600, while the sum is 84.

The spelling of 45639966993654 in words is "forty-five trillion, six hundred thirty-nine billion, nine hundred sixty-six million, nine hundred ninety-three thousand, six hundred fifty-four".