100546420543 has 2 divisors, whose sum is σ = 100546420544. Its totient is φ = 100546420542.

The previous prime is 100546420537. The next prime is 100546420603. The reversal of 100546420543 is 345024645001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100546420543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100546420499 and 100546420508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100546420343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50273210271 + 50273210272.

It is an arithmetic number, because the mean of its divisors is an integer number (50273210272).

Almost surely, 2^100546420543 is an apocalyptic number.

100546420543 is a deficient number, since it is larger than the sum of its proper divisors (1).

100546420543 is an equidigital number, since it uses as much as digits as its factorization.

100546420543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 100546420543 in words is "one hundred billion, five hundred forty-six million, four hundred twenty thousand, five hundred forty-three".