722505294697 has 2 divisors, whose sum is σ = 722505294698. Its totient is φ = 722505294696.

The previous prime is 722505294677. The next prime is 722505294703. The reversal of 722505294697 is 796492505227.

722505294697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636071646681 + 86433648016 = 797541^2 + 293996^2 .

It is a cyclic number.

It is not a de Polignac number, because 722505294697 - 2²⁷ = 722371076969 is a prime.

It is not a weakly prime, because it can be changed into another prime (722505294647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361252647348 + 361252647349.

It is an arithmetic number, because the mean of its divisors is an integer number (361252647349).

Almost surely, 2^722505294697 is an apocalyptic number.

It is an amenable number.

722505294697 is a deficient number, since it is larger than the sum of its proper divisors (1).

722505294697 is an equidigital number, since it uses as much as digits as its factorization.

722505294697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 722505294697 in words is "seven hundred twenty-two billion, five hundred five million, two hundred ninety-four thousand, six hundred ninety-seven".