744440673623 has 2 divisors, whose sum is σ = 744440673624. Its totient is φ = 744440673622.

The previous prime is 744440673593. The next prime is 744440673679. The reversal of 744440673623 is 326376044447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 744440673623 - 2²⁸ = 744172238167 is a prime.

It is a super-2 number, since 2×744440673623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744440675623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372220336811 + 372220336812.

It is an arithmetic number, because the mean of its divisors is an integer number (372220336812).

Almost surely, 2^744440673623 is an apocalyptic number.

744440673623 is a deficient number, since it is larger than the sum of its proper divisors (1).

744440673623 is an equidigital number, since it uses as much as digits as its factorization.

744440673623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 50.

The spelling of 744440673623 in words is "seven hundred forty-four billion, four hundred forty million, six hundred seventy-three thousand, six hundred twenty-three".