745046366502644 has 12 divisors (see below), whose sum is σ = 1334152795830624. Its totient is φ = 363859853408184.

The previous prime is 745046366502631. The next prime is 745046366502667. The reversal of 745046366502644 is 446205663640547.

It is a happy number.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2165832460592 + ... + 2165832460935.

It is an arithmetic number, because the mean of its divisors is an integer number (111179399652552).

Almost surely, 2^{745046366502644} is an apocalyptic number.

It is an amenable number.

745046366502644 is a deficient number, since it is larger than the sum of its proper divisors (589106429327980).

745046366502644 is a wasteful number, since it uses less digits than its factorization.

745046366502644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331664921574 (or 4331664921572 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 62.

The spelling of 745046366502644 in words is "seven hundred forty-five trillion, forty-six billion, three hundred sixty-six million, five hundred two thousand, six hundred forty-four".