93421905837 has 8 divisors (see below), whose sum is σ = 134144275104. Its totient is φ = 57490403568.

The previous prime is 93421905817. The next prime is 93421905851. The reversal of 93421905837 is 73850912439.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 93421905837 - 2¹⁹ = 93421381549 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 93421905837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93421905817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197716703 + ... + 1197716780.

It is an arithmetic number, because the mean of its divisors is an integer number (16768034388).

Almost surely, 2^93421905837 is an apocalyptic number.

It is an amenable number.

93421905837 is a deficient number, since it is larger than the sum of its proper divisors (40722369267).

93421905837 is a wasteful number, since it uses less digits than its factorization.

93421905837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395433499.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 93421905837 in words is "ninety-three billion, four hundred twenty-one million, nine hundred five thousand, eight hundred thirty-seven".