543100974491 has 2 divisors, whose sum is σ = 543100974492. Its totient is φ = 543100974490.

The previous prime is 543100974469. The next prime is 543100974539. The reversal of 543100974491 is 194479001345.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543100974491 is a prime.

It is not a weakly prime, because it can be changed into another prime (543100974421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271550487245 + 271550487246.

It is an arithmetic number, because the mean of its divisors is an integer number (271550487246).

Almost surely, 2^543100974491 is an apocalyptic number.

543100974491 is a deficient number, since it is larger than the sum of its proper divisors (1).

543100974491 is an equidigital number, since it uses as much as digits as its factorization.

543100974491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 543100974491 in words is "five hundred forty-three billion, one hundred million, nine hundred seventy-four thousand, four hundred ninety-one".