719520449 has 2 divisors, whose sum is σ = 719520450. Its totient is φ = 719520448.

The previous prime is 719520433. The next prime is 719520469. The reversal of 719520449 is 944025917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618417424 + 101103025 = 24868^2 + 10055^2 .

It is a cyclic number.

It is not a de Polignac number, because 719520449 - 2⁴ = 719520433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (719520409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359760224 + 359760225.

It is an arithmetic number, because the mean of its divisors is an integer number (359760225).

Almost surely, 2^719520449 is an apocalyptic number.

It is an amenable number.

719520449 is a deficient number, since it is larger than the sum of its proper divisors (1).

719520449 is an equidigital number, since it uses as much as digits as its factorization.

719520449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 719520449 is about 26823.8783362884. The cubic root of 719520449 is about 896.0819178830.

The spelling of 719520449 in words is "seven hundred nineteen million, five hundred twenty thousand, four hundred forty-nine".