724622047397 has 2 divisors, whose sum is σ = 724622047398. Its totient is φ = 724622047396.

The previous prime is 724622047363. The next prime is 724622047469. The reversal of 724622047397 is 793740226427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374506056961 + 350115990436 = 611969^2 + 591706^2 .

It is a cyclic number.

It is not a de Polignac number, because 724622047397 - 2¹⁰ = 724622046373 is a prime.

It is a super-2 number, since 2×724622047397² (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 (724622077397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362311023698 + 362311023699.

It is an arithmetic number, because the mean of its divisors is an integer number (362311023699).

Almost surely, 2^724622047397 is an apocalyptic number.

It is an amenable number.

724622047397 is a deficient number, since it is larger than the sum of its proper divisors (1).

724622047397 is an equidigital number, since it uses as much as digits as its factorization.

724622047397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 724622047397 in words is "seven hundred twenty-four billion, six hundred twenty-two million, forty-seven thousand, three hundred ninety-seven".