719940659 has 2 divisors, whose sum is σ = 719940660. Its totient is φ = 719940658.

The previous prime is 719940653. The next prime is 719940677. The reversal of 719940659 is 956049917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 719940659 - 2⁴ = 719940643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (719940653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359970329 + 359970330.

It is an arithmetic number, because the mean of its divisors is an integer number (359970330).

Almost surely, 2^719940659 is an apocalyptic number.

719940659 is a deficient number, since it is larger than the sum of its proper divisors (1).

719940659 is an equidigital number, since it uses as much as digits as its factorization.

719940659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 719940659 is about 26831.7099529642. The cubic root of 719940659 is about 896.2563253906.

The spelling of 719940659 in words is "seven hundred nineteen million, nine hundred forty thousand, six hundred fifty-nine".