1455989713 has 2 divisors, whose sum is σ = 1455989714. Its totient is φ = 1455989712.

The previous prime is 1455989651. The next prime is 1455989737. The reversal of 1455989713 is 3179895541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314570049 + 141419664 = 36257^2 + 11892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455989713 - 2⁹ = 1455989201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455989113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727994856 + 727994857.

It is an arithmetic number, because the mean of its divisors is an integer number (727994857).

Almost surely, 2^1455989713 is an apocalyptic number.

It is an amenable number.

1455989713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455989713 is an equidigital number, since it uses as much as digits as its factorization.

1455989713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 52.

The square root of 1455989713 is about 38157.4332601133. The cubic root of 1455989713 is about 1133.4075523386.

The spelling of 1455989713 in words is "one billion, four hundred fifty-five million, nine hundred eighty-nine thousand, seven hundred thirteen".