744694649842 has 128 divisors (see below), whose sum is σ = 1385474388480. Its totient is φ = 297142560000.

The previous prime is 744694649771. The next prime is 744694649857. The reversal of 744694649842 is 248946496447.

744694649842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201212592 + ... + 201216292.

It is an arithmetic number, because the mean of its divisors is an integer number (10824018660).

Almost surely, 2^744694649842 is an apocalyptic number.

744694649842 is a deficient number, since it is larger than the sum of its proper divisors (640779738638).

744694649842 is a wasteful number, since it uses less digits than its factorization.

744694649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957 (or 3931 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 67.

The spelling of 744694649842 in words is "seven hundred forty-four billion, six hundred ninety-four million, six hundred forty-nine thousand, eight hundred forty-two".