93916543493 has 4 divisors (see below), whose sum is σ = 93945868128. Its totient is φ = 93887218860.

The previous prime is 93916543453. The next prime is 93916543507. The reversal of 93916543493 is 39434561939.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39434561939 = 54319 ⋅725981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93916543493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93916543453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14657513 + ... + 14663918.

It is an arithmetic number, because the mean of its divisors is an integer number (23486467032).

Almost surely, 2^93916543493 is an apocalyptic number.

It is an amenable number.

93916543493 is a deficient number, since it is larger than the sum of its proper divisors (29324635).

93916543493 is a wasteful number, since it uses less digits than its factorization.

93916543493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29324634.

The product of its digits is 9447840, while the sum is 56.

The spelling of 93916543493 in words is "ninety-three billion, nine hundred sixteen million, five hundred forty-three thousand, four hundred ninety-three".