722619000091 has 2 divisors, whose sum is σ = 722619000092. Its totient is φ = 722619000090.

The previous prime is 722619000053. The next prime is 722619000097. The reversal of 722619000091 is 190000916227.

It is a strong prime.

It is an emirp because it is prime and its reverse (190000916227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722619000091 - 2¹¹ = 722618998043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722619000091.

It is not a weakly prime, because it can be changed into another prime (722619000097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361309500045 + 361309500046.

It is an arithmetic number, because the mean of its divisors is an integer number (361309500046).

Almost surely, 2^722619000091 is an apocalyptic number.

722619000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

722619000091 is an equidigital number, since it uses as much as digits as its factorization.

722619000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 722619000091 in words is "seven hundred twenty-two billion, six hundred nineteen million, ninety-one", and thus it is an aban number.