722347421293 has 2 divisors, whose sum is σ = 722347421294. Its totient is φ = 722347421292.

The previous prime is 722347421291. The next prime is 722347421297. The reversal of 722347421293 is 392124743227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720076136329 + 2271284964 = 848573^2 + 47658^2 .

It is a cyclic number.

It is not a de Polignac number, because 722347421293 - 2¹ = 722347421291 is a prime.

Together with 722347421291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722347421291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361173710646 + 361173710647.

It is an arithmetic number, because the mean of its divisors is an integer number (361173710647).

Almost surely, 2^722347421293 is an apocalyptic number.

It is an amenable number.

722347421293 is a deficient number, since it is larger than the sum of its proper divisors (1).

722347421293 is an equidigital number, since it uses as much as digits as its factorization.

722347421293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 46.

The spelling of 722347421293 in words is "seven hundred twenty-two billion, three hundred forty-seven million, four hundred twenty-one thousand, two hundred ninety-three".