93809531043 has 24 divisors (see below), whose sum is σ = 141603990528. Its totient is φ = 59785577712.

The previous prime is 93809531021. The next prime is 93809531069. The reversal of 93809531043 is 34013590839.

It is not a de Polignac number, because 93809531043 - 2²⁵ = 93775976611 is a prime.

It is a super-2 number, since 2×93809531043² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 93809531043.

It is not an unprimeable number, because it can be changed into a prime (93809530043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2560555 + ... + 2596932.

It is an arithmetic number, because the mean of its divisors is an integer number (5900166272).

Almost surely, 2^93809531043 is an apocalyptic number.

93809531043 is a deficient number, since it is larger than the sum of its proper divisors (47794459485).

93809531043 is a wasteful number, since it uses less digits than its factorization.

93809531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157583 (or 5157580 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 93809531043 in words is "ninety-three billion, eight hundred nine million, five hundred thirty-one thousand, forty-three".