722618998043 has 2 divisors, whose sum is σ = 722618998044. Its totient is φ = 722618998042.

The previous prime is 722618998021. The next prime is 722618998103. The reversal of 722618998043 is 340899816227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722618998043 - 2⁸ = 722618997787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (722618994043) 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, 361309499021 + 361309499022.

It is an arithmetic number, because the mean of its divisors is an integer number (361309499022).

Almost surely, 2^722618998043 is an apocalyptic number.

722618998043 is a deficient number, since it is larger than the sum of its proper divisors (1).

722618998043 is an equidigital number, since it uses as much as digits as its factorization.

722618998043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 722618998043 in words is "seven hundred twenty-two billion, six hundred eighteen million, nine hundred ninety-eight thousand, forty-three".