93491193838 has 16 divisors (see below), whose sum is σ = 162527952384. Its totient is φ = 39503320920.

The previous prime is 93491193833. The next prime is 93491193857. The reversal of 93491193838 is 83839119439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93491193833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47026770 + ... + 47028757.

It is an arithmetic number, because the mean of its divisors is an integer number (10157997024).

Almost surely, 2^93491193838 is an apocalyptic number.

93491193838 is a deficient number, since it is larger than the sum of its proper divisors (69036758546).

93491193838 is a wasteful number, since it uses less digits than its factorization.

93491193838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94055607.

The product of its digits is 5038848, while the sum is 58.

The spelling of 93491193838 in words is "ninety-three billion, four hundred ninety-one million, one hundred ninety-three thousand, eight hundred thirty-eight".