744249872831 has 2 divisors, whose sum is σ = 744249872832. Its totient is φ = 744249872830.

The previous prime is 744249872767. The next prime is 744249872833. The reversal of 744249872831 is 138278942447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 744249872831 - 2⁶ = 744249872767 is a prime.

It is a super-2 number, since 2×744249872831² (a number of 25 digits) contains 22 as substring.

Together with 744249872833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744249872833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372124936415 + 372124936416.

It is an arithmetic number, because the mean of its divisors is an integer number (372124936416).

Almost surely, 2^744249872831 is an apocalyptic number.

744249872831 is a deficient number, since it is larger than the sum of its proper divisors (1).

744249872831 is an equidigital number, since it uses as much as digits as its factorization.

744249872831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 59.

The spelling of 744249872831 in words is "seven hundred forty-four billion, two hundred forty-nine million, eight hundred seventy-two thousand, eight hundred thirty-one".