744705022664431 has 2 divisors, whose sum is σ = 744705022664432. Its totient is φ = 744705022664430.

The previous prime is 744705022664399. The next prime is 744705022664513. The reversal of 744705022664431 is 134466220507447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 744705022664431 - 2⁵ = 744705022664399 is a prime.

It is a super-2 number, since 2×744705022664431² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744705022634431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372352511332215 + 372352511332216.

It is an arithmetic number, because the mean of its divisors is an integer number (372352511332216).

Almost surely, 2^{744705022664431} is an apocalyptic number.

744705022664431 is a deficient number, since it is larger than the sum of its proper divisors (1).

744705022664431 is an equidigital number, since it uses as much as digits as its factorization.

744705022664431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 55.

The spelling of 744705022664431 in words is "seven hundred forty-four trillion, seven hundred five billion, twenty-two million, six hundred sixty-four thousand, four hundred thirty-one".