956789459 has 2 divisors, whose sum is σ = 956789460. Its totient is φ = 956789458.

The previous prime is 956789381. The next prime is 956789467. The reversal of 956789459 is 954987659.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-956789459 is a prime.

It is not a weakly prime, because it can be changed into another prime (956789759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478394729 + 478394730.

It is an arithmetic number, because the mean of its divisors is an integer number (478394730).

Almost surely, 2^956789459 is an apocalyptic number.

956789459 is a deficient number, since it is larger than the sum of its proper divisors (1).

956789459 is an equidigital number, since it uses as much as digits as its factorization.

956789459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 62.

The square root of 956789459 is about 30932.0134973461. The cubic root of 956789459 is about 985.3838966719.

The spelling of 956789459 in words is "nine hundred fifty-six million, seven hundred eighty-nine thousand, four hundred fifty-nine".