722063637161773 has 2 divisors, whose sum is σ = 722063637161774. Its totient is φ = 722063637161772.

The previous prime is 722063637161743. The next prime is 722063637161777. The reversal of 722063637161773 is 377161736360227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720695527967529 + 1368109194244 = 26845773^2 + 1169662^2 .

It is a cyclic number.

It is not a de Polignac number, because 722063637161773 - 2²¹ = 722063635064621 is a prime.

It is a super-2 number, since 2×722063637161773² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722063637161777) 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, 361031818580886 + 361031818580887.

It is an arithmetic number, because the mean of its divisors is an integer number (361031818580887).

Almost surely, 2^{722063637161773} is an apocalyptic number.

It is an amenable number.

722063637161773 is a deficient number, since it is larger than the sum of its proper divisors (1).

722063637161773 is an equidigital number, since it uses as much as digits as its factorization.

722063637161773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56010528, while the sum is 61.

The spelling of 722063637161773 in words is "seven hundred twenty-two trillion, sixty-three billion, six hundred thirty-seven million, one hundred sixty-one thousand, seven hundred seventy-three".