556432526647 has 2 divisors, whose sum is σ = 556432526648. Its totient is φ = 556432526646.

The previous prime is 556432526623. The next prime is 556432526659. The reversal of 556432526647 is 746625234655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556432526647 - 2³¹ = 554285042999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556432526677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278216263323 + 278216263324.

It is an arithmetic number, because the mean of its divisors is an integer number (278216263324).

Almost surely, 2^556432526647 is an apocalyptic number.

556432526647 is a deficient number, since it is larger than the sum of its proper divisors (1).

556432526647 is an equidigital number, since it uses as much as digits as its factorization.

556432526647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288000, while the sum is 55.

The spelling of 556432526647 in words is "five hundred fifty-six billion, four hundred thirty-two million, five hundred twenty-six thousand, six hundred forty-seven".