1456064689 has 2 divisors, whose sum is σ = 1456064690. Its totient is φ = 1456064688.

The previous prime is 1456064651. The next prime is 1456064711. The reversal of 1456064689 is 9864606541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784840225 + 671224464 = 28015^2 + 25908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1456064689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1456064189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728032344 + 728032345.

It is an arithmetic number, because the mean of its divisors is an integer number (728032345).

Almost surely, 2^1456064689 is an apocalyptic number.

It is an amenable number.

1456064689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456064689 is an equidigital number, since it uses as much as digits as its factorization.

1456064689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 1456064689 is about 38158.4157034854. The cubic root of 1456064689 is about 1133.4270068960.

The spelling of 1456064689 in words is "one billion, four hundred fifty-six million, sixty-four thousand, six hundred eighty-nine".