19135249383 has 8 divisors (see below), whose sum is σ = 25514304768. Its totient is φ = 12756513464.

The previous prime is 19135249327. The next prime is 19135249387. The reversal of 19135249383 is 38394253191.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19135249383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19135249387) 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, 199516 + ... + 279422.

It is an arithmetic number, because the mean of its divisors is an integer number (3189288096).

Almost surely, 2^19135249383 is an apocalyptic number.

19135249383 is a deficient number, since it is larger than the sum of its proper divisors (6379055385).

19135249383 is an equidigital number, since it uses as much as digits as its factorization.

19135249383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159733.

The product of its digits is 699840, while the sum is 48.

The spelling of 19135249383 in words is "nineteen billion, one hundred thirty-five million, two hundred forty-nine thousand, three hundred eighty-three".