556100100643 has 2 divisors, whose sum is σ = 556100100644. Its totient is φ = 556100100642.

The previous prime is 556100100607. The next prime is 556100100671. The reversal of 556100100643 is 346001001655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556100100643 - 2¹³ = 556100092451 is a prime.

It is not a weakly prime, because it can be changed into another prime (556100100043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278050050321 + 278050050322.

It is an arithmetic number, because the mean of its divisors is an integer number (278050050322).

Almost surely, 2^556100100643 is an apocalyptic number.

556100100643 is a deficient number, since it is larger than the sum of its proper divisors (1).

556100100643 is an equidigital number, since it uses as much as digits as its factorization.

556100100643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 556100100643 in words is "five hundred fifty-six billion, one hundred million, one hundred thousand, six hundred forty-three".