744656729453 has 24 divisors (see below), whose sum is σ = 953313465600. Its totient is φ = 568862409024.

The previous prime is 744656729429. The next prime is 744656729483. The reversal of 744656729453 is 354927656447.

It is a happy number.

It is not a de Polignac number, because 744656729453 - 2⁸ = 744656729197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744656729423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10818533 + ... + 10887146.

It is an arithmetic number, because the mean of its divisors is an integer number (39721394400).

Almost surely, 2^744656729453 is an apocalyptic number.

It is an amenable number.

744656729453 is a deficient number, since it is larger than the sum of its proper divisors (208656736147).

744656729453 is a wasteful number, since it uses less digits than its factorization.

744656729453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705741 (or 21705728 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 62.

The spelling of 744656729453 in words is "seven hundred forty-four billion, six hundred fifty-six million, seven hundred twenty-nine thousand, four hundred fifty-three".