719609453 has 2 divisors, whose sum is σ = 719609454. Its totient is φ = 719609452.

The previous prime is 719609377. The next prime is 719609467. The reversal of 719609453 is 354906917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409779049 + 309830404 = 20243^2 + 17602^2 .

It is a cyclic number.

It is not a de Polignac number, because 719609453 - 2¹⁶ = 719543917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719609753) 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, 359804726 + 359804727.

It is an arithmetic number, because the mean of its divisors is an integer number (359804727).

Almost surely, 2^719609453 is an apocalyptic number.

It is an amenable number.

719609453 is a deficient number, since it is larger than the sum of its proper divisors (1).

719609453 is an equidigital number, since it uses as much as digits as its factorization.

719609453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 719609453 is about 26825.5373291944. The cubic root of 719609453 is about 896.1188645220.

The spelling of 719609453 in words is "seven hundred nineteen million, six hundred nine thousand, four hundred fifty-three".