19393068104 has 32 divisors (see below), whose sum is σ = 38854193400. Its totient is φ = 9042416640.

The previous prime is 19393068103. The next prime is 19393068119. The reversal of 19393068104 is 40186039391.

It can be written as a sum of positive squares in 4 ways, for example, as 17500644100 + 1892424004 = 132290^2 + 43502^2 .

It is a super-3 number, since 3×19393068104³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19393068103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639287 + ... + 668934.

Almost surely, 2^19393068104 is an apocalyptic number.

It is an amenable number.

19393068104 is an abundant number, since it is smaller than the sum of its proper divisors (19461125296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19393068104 is a wasteful number, since it uses less digits than its factorization.

19393068104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308353 (or 1308349 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 19393068104 in words is "nineteen billion, three hundred ninety-three million, sixty-eight thousand, one hundred four".