19309294268 has 48 divisors (see below), whose sum is σ = 37109554944. Its totient is φ = 8718503040.

The previous prime is 19309294267. The next prime is 19309294289. The reversal of 19309294268 is 86249290391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19309294267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225721 + ... + 4230287.

It is an arithmetic number, because the mean of its divisors is an integer number (773115728).

Almost surely, 2^19309294268 is an apocalyptic number.

It is an amenable number.

19309294268 is a deficient number, since it is larger than the sum of its proper divisors (17800260676).

19309294268 is a wasteful number, since it uses less digits than its factorization.

19309294268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 19309294268 in words is "nineteen billion, three hundred nine million, two hundred ninety-four thousand, two hundred sixty-eight".