722537064443 has 2 divisors, whose sum is σ = 722537064444. Its totient is φ = 722537064442.

The previous prime is 722537064439. The next prime is 722537064467. The reversal of 722537064443 is 344460735227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722537064443 - 2² = 722537064439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (722537064413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361268532221 + 361268532222.

It is an arithmetic number, because the mean of its divisors is an integer number (361268532222).

Almost surely, 2^722537064443 is an apocalyptic number.

722537064443 is a deficient number, since it is larger than the sum of its proper divisors (1).

722537064443 is an equidigital number, since it uses as much as digits as its factorization.

722537064443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 47.

The spelling of 722537064443 in words is "seven hundred twenty-two billion, five hundred thirty-seven million, sixty-four thousand, four hundred forty-three".