744359849891 has 96 divisors (see below), whose sum is σ = 949573693440. Its totient is φ = 570787430400.

The previous prime is 744359849873. The next prime is 744359849903. The reversal of 744359849891 is 198948953447.

It is not a de Polignac number, because 744359849891 - 2³⁰ = 743286108067 is a prime.

It is a super-2 number, since 2×744359849891² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744359849851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1077220856 + ... + 1077221546.

It is an arithmetic number, because the mean of its divisors is an integer number (9891392640).

Almost surely, 2^744359849891 is an apocalyptic number.

744359849891 is a deficient number, since it is larger than the sum of its proper divisors (205213843549).

744359849891 is a wasteful number, since it uses less digits than its factorization.

744359849891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1028 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 71.

The spelling of 744359849891 in words is "seven hundred forty-four billion, three hundred fifty-nine million, eight hundred forty-nine thousand, eight hundred ninety-one".