721411850699 has 2 divisors, whose sum is σ = 721411850700. Its totient is φ = 721411850698.

The previous prime is 721411850693. The next prime is 721411850749. The reversal of 721411850699 is 996058114127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 721411850699 - 2³² = 717116883403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 721411850699.

It is not a weakly prime, because it can be changed into another prime (721411850693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360705925349 + 360705925350.

It is an arithmetic number, because the mean of its divisors is an integer number (360705925350).

Almost surely, 2^721411850699 is an apocalyptic number.

721411850699 is a deficient number, since it is larger than the sum of its proper divisors (1).

721411850699 is an equidigital number, since it uses as much as digits as its factorization.

721411850699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 721411850699 in words is "seven hundred twenty-one billion, four hundred eleven million, eight hundred fifty thousand, six hundred ninety-nine".