719822497 has 2 divisors, whose sum is σ = 719822498. Its totient is φ = 719822496.

The previous prime is 719822489. The next prime is 719822501. The reversal of 719822497 is 794228917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372335616 + 347486881 = 19296^2 + 18641^2 .

It is a cyclic number.

It is not a de Polignac number, because 719822497 - 2³ = 719822489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 719822497.

It is not a weakly prime, because it can be changed into another prime (719822407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359911248 + 359911249.

It is an arithmetic number, because the mean of its divisors is an integer number (359911249).

Almost surely, 2^719822497 is an apocalyptic number.

It is an amenable number.

719822497 is a deficient number, since it is larger than the sum of its proper divisors (1).

719822497 is an equidigital number, since it uses as much as digits as its factorization.

719822497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 719822497 is about 26829.5079529983. The cubic root of 719822497 is about 896.2072892962.

The spelling of 719822497 in words is "seven hundred nineteen million, eight hundred twenty-two thousand, four hundred ninety-seven".