743872844491 has 12 divisors (see below), whose sum is σ = 866194708800. Its totient is φ = 636961857840.

The previous prime is 743872844483. The next prime is 743872844503. The reversal of 743872844491 is 194448278347.

743872844491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 743872844491 - 2³ = 743872844483 is a prime.

It is a super-2 number, since 2×743872844491² (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 (743872844191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7610916 + ... + 7708033.

It is an arithmetic number, because the mean of its divisors is an integer number (72182892400).

Almost surely, 2^743872844491 is an apocalyptic number.

743872844491 is a deficient number, since it is larger than the sum of its proper divisors (122321864309).

743872844491 is a wasteful number, since it uses less digits than its factorization.

743872844491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319954 (or 15319947 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 61.

The spelling of 743872844491 in words is "seven hundred forty-three billion, eight hundred seventy-two million, eight hundred forty-four thousand, four hundred ninety-one".