19113425399 has 4 divisors (see below), whose sum is σ = 19114506360. Its totient is φ = 19112344440.

The previous prime is 19113425381. The next prime is 19113425437. The reversal of 19113425399 is 99352431191.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19113425399 - 2⁸ = 19113425143 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 (19113425369) 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, 513509 + ... + 549470.

It is an arithmetic number, because the mean of its divisors is an integer number (4778626590).

Almost surely, 2^19113425399 is an apocalyptic number.

19113425399 is a deficient number, since it is larger than the sum of its proper divisors (1080961).

19113425399 is a wasteful number, since it uses less digits than its factorization.

19113425399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080960.

The product of its digits is 262440, while the sum is 47.

The spelling of 19113425399 in words is "nineteen billion, one hundred thirteen million, four hundred twenty-five thousand, three hundred ninety-nine".