719910641 has 2 divisors, whose sum is σ = 719910642. Its totient is φ = 719910640.

The previous prime is 719910637. The next prime is 719910661. The reversal of 719910641 is 146019917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534950641 + 184960000 = 23129^2 + 13600^2 .

It is a cyclic number.

It is not a de Polignac number, because 719910641 - 2² = 719910637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 719910595 and 719910604.

It is not a weakly prime, because it can be changed into another prime (719910661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359955320 + 359955321.

It is an arithmetic number, because the mean of its divisors is an integer number (359955321).

Almost surely, 2^719910641 is an apocalyptic number.

It is an amenable number.

719910641 is a deficient number, since it is larger than the sum of its proper divisors (1).

719910641 is an equidigital number, since it uses as much as digits as its factorization.

719910641 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 38.

The square root of 719910641 is about 26831.1505716769. The cubic root of 719910641 is about 896.2438687175.

The spelling of 719910641 in words is "seven hundred nineteen million, nine hundred ten thousand, six hundred forty-one".