19133770909 has 8 divisors (see below), whose sum is σ = 21780735552. Its totient is φ = 16638061440.

The previous prime is 19133770907. The next prime is 19133770919. The reversal of 19133770909 is 90907733191.

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

It is not a de Polignac number, because 19133770909 - 2¹ = 19133770907 is a prime.

It is a super-2 number, since 2×19133770909² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19133770907) 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, 37813524 + ... + 37814029.

It is an arithmetic number, because the mean of its divisors is an integer number (2722591944).

Almost surely, 2^19133770909 is an apocalyptic number.

It is an amenable number.

19133770909 is a deficient number, since it is larger than the sum of its proper divisors (2646964643).

19133770909 is a wasteful number, since it uses less digits than its factorization.

19133770909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75627587.

The product of its (nonzero) digits is 321489, while the sum is 49.

The spelling of 19133770909 in words is "nineteen billion, one hundred thirty-three million, seven hundred seventy thousand, nine hundred nine".