744740423162631 has 16 divisors (see below), whose sum is σ = 1260936166201600. Its totient is φ = 425565956092824.

The previous prime is 744740423162609. The next prime is 744740423162633. The reversal of 744740423162631 is 136261324047447.

It is a happy number.

744740423162631 is a `hidden beast` number, since 7 + 4 + 4 + 7 + 4 + 0 + 4 + 2 + 3 + 1 + 626 + 3 + 1 = 666.

It is not a de Polignac number, because 744740423162631 - 2¹⁹ = 744740422638343 is a prime.

It is a super-2 number, since 2×744740423162631² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744740423162633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970212759501 + ... + 1970212759878.

It is an arithmetic number, because the mean of its divisors is an integer number (78808510387600).

Almost surely, 2^{744740423162631} is an apocalyptic number.

744740423162631 is a deficient number, since it is larger than the sum of its proper divisors (516195743038969).

744740423162631 is a wasteful number, since it uses less digits than its factorization.

744740423162631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940425519395 (or 3940425519389 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 54.

The spelling of 744740423162631 in words is "seven hundred forty-four trillion, seven hundred forty billion, four hundred twenty-three million, one hundred sixty-two thousand, six hundred thirty-one".