543342336491 has 2 divisors, whose sum is σ = 543342336492. Its totient is φ = 543342336490.

The previous prime is 543342336461. The next prime is 543342336553. The reversal of 543342336491 is 194633243345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 543342336491 - 2²² = 543338142187 is a prime.

It is not a weakly prime, because it can be changed into another prime (543342336451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271671168245 + 271671168246.

It is an arithmetic number, because the mean of its divisors is an integer number (271671168246).

Almost surely, 2^543342336491 is an apocalyptic number.

543342336491 is a deficient number, since it is larger than the sum of its proper divisors (1).

543342336491 is an equidigital number, since it uses as much as digits as its factorization.

543342336491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 47.

The spelling of 543342336491 in words is "five hundred forty-three billion, three hundred forty-two million, three hundred thirty-six thousand, four hundred ninety-one".