19150684996 has 9 divisors (see below), whose sum is σ = 33514183101. Its totient is φ = 9575204112.

The previous prime is 19150684967. The next prime is 19150684999. The reversal of 19150684996 is 69948605191.

The square root of 19150684996 is 138386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13841522500 + 5309162496 = 117650^2 + 72864^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19150684996.

It is not an unprimeable number, because it can be changed into a prime (19150684999) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 242176 + ... + 311368.

Almost surely, 2^19150684996 is an apocalyptic number.

19150684996 is the 138386-th square number.

It is an amenable number.

19150684996 is a deficient number, since it is larger than the sum of its proper divisors (14363498105).

19150684996 is an frugal number, since it uses more digits than its factorization.

19150684996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138390 (or 69195 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 58.

The spelling of 19150684996 in words is "nineteen billion, one hundred fifty million, six hundred eighty-four thousand, nine hundred ninety-six".