556665463 has 2 divisors, whose sum is σ = 556665464. Its totient is φ = 556665462.

The previous prime is 556665449. The next prime is 556665491. The reversal of 556665463 is 364566655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556665463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556665433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278332731 + 278332732.

It is an arithmetic number, because the mean of its divisors is an integer number (278332732).

Almost surely, 2^556665463 is an apocalyptic number.

556665463 is a deficient number, since it is larger than the sum of its proper divisors (1).

556665463 is an equidigital number, since it uses as much as digits as its factorization.

556665463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944000, while the sum is 46.

The square root of 556665463 is about 23593.7589841042. The cubic root of 556665463 is about 822.6177807022.

The spelling of 556665463 in words is "five hundred fifty-six million, six hundred sixty-five thousand, four hundred sixty-three".