19114599272 has 8 divisors (see below), whose sum is σ = 35839873650. Its totient is φ = 9557299632.

The previous prime is 19114599271. The next prime is 19114599289. The reversal of 19114599272 is 27299541191.

It can be written as a sum of positive squares in only one way, i.e., 16680755716 + 2433843556 = 129154^2 + 49334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 19114599272.

It is not an unprimeable number, because it can be changed into a prime (19114599271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194662447 + ... + 1194662462.

Almost surely, 2^19114599272 is an apocalyptic number.

It is an amenable number.

19114599272 is a deficient number, since it is larger than the sum of its proper divisors (16725274378).

19114599272 is a wasteful number, since it uses less digits than its factorization.

19114599272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389324915 (or 2389324911 counting only the distinct ones).

The product of its digits is 408240, while the sum is 50.

The spelling of 19114599272 in words is "nineteen billion, one hundred fourteen million, five hundred ninety-nine thousand, two hundred seventy-two".