19373820093 has 12 divisors (see below), whose sum is σ = 27988552800. Its totient is φ = 12913966536.

The previous prime is 19373820071. The next prime is 19373820107. The reversal of 19373820093 is 39002837391.

It is not a de Polignac number, because 19373820093 - 2¹⁸ = 19373557949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19373820013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93921 + ... + 218102.

It is an arithmetic number, because the mean of its divisors is an integer number (2332379400).

Almost surely, 2^19373820093 is an apocalyptic number.

It is an amenable number.

19373820093 is a deficient number, since it is larger than the sum of its proper divisors (8614732707).

19373820093 is a wasteful number, since it uses less digits than its factorization.

19373820093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318928 (or 318925 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 19373820093 in words is "nineteen billion, three hundred seventy-three million, eight hundred twenty thousand, ninety-three".