719698913 has 2 divisors, whose sum is σ = 719698914. Its totient is φ = 719698912.

The previous prime is 719698901. The next prime is 719698919. The reversal of 719698913 is 319896917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536015104 + 183683809 = 23152^2 + 13553^2 .

It is a cyclic number.

It is not a de Polignac number, because 719698913 - 2¹⁰ = 719697889 is a prime.

It is not a weakly prime, because it can be changed into another prime (719698919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359849456 + 359849457.

It is an arithmetic number, because the mean of its divisors is an integer number (359849457).

Almost surely, 2^719698913 is an apocalyptic number.

It is an amenable number.

719698913 is a deficient number, since it is larger than the sum of its proper divisors (1).

719698913 is an equidigital number, since it uses as much as digits as its factorization.

719698913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 719698913 is about 26827.2047183451. The cubic root of 719698913 is about 896.1559973822.

The spelling of 719698913 in words is "seven hundred nineteen million, six hundred ninety-eight thousand, nine hundred thirteen".