724414821331 has 2 divisors, whose sum is σ = 724414821332. Its totient is φ = 724414821330.

The previous prime is 724414821313. The next prime is 724414821419. The reversal of 724414821331 is 133128414427.

It is a happy number.

Together with previous prime (724414821313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724414821331 - 2⁷ = 724414821203 is a prime.

It is a super-2 number, since 2×724414821331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724414821301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362207410665 + 362207410666.

It is an arithmetic number, because the mean of its divisors is an integer number (362207410666).

Almost surely, 2^724414821331 is an apocalyptic number.

724414821331 is a deficient number, since it is larger than the sum of its proper divisors (1).

724414821331 is an equidigital number, since it uses as much as digits as its factorization.

724414821331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The spelling of 724414821331 in words is "seven hundred twenty-four billion, four hundred fourteen million, eight hundred twenty-one thousand, three hundred thirty-one".