19280433316 has 9 divisors (see below), whose sum is σ = 33741244299. Its totient is φ = 9640077804.

The previous prime is 19280433313. The next prime is 19280433317. The reversal of 19280433316 is 61333408291.

It is a happy number.

The square root of 19280433316 is 138854.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19280433313) 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, 242995 + ... + 312421.

Almost surely, 2^19280433316 is an apocalyptic number.

19280433316 is the 138854-th square number.

It is an amenable number.

19280433316 is a deficient number, since it is larger than the sum of its proper divisors (14460810983).

19280433316 is an frugal number, since it uses more digits than its factorization.

19280433316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138858 (or 69429 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 19280433316 in words is "nineteen billion, two hundred eighty million, four hundred thirty-three thousand, three hundred sixteen".