722079449121 has 64 divisors (see below), whose sum is σ = 1080912833280. Its totient is φ = 426526679040.

The previous prime is 722079449083. The next prime is 722079449123. The reversal of 722079449121 is 121944970227.

It is not a de Polignac number, because 722079449121 - 2⁶ = 722079449057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722079449123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179307510 + ... + 179311536.

It is an arithmetic number, because the mean of its divisors is an integer number (16889263020).

Almost surely, 2^722079449121 is an apocalyptic number.

It is an amenable number.

722079449121 is a deficient number, since it is larger than the sum of its proper divisors (358833384159).

722079449121 is a wasteful number, since it uses less digits than its factorization.

722079449121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 722079449121 in words is "seven hundred twenty-two billion, seventy-nine million, four hundred forty-nine thousand, one hundred twenty-one".