19317672292 has 6 divisors (see below), whose sum is σ = 33805926518. Its totient is φ = 9658836144.

The previous prime is 19317672167. The next prime is 19317672313. The reversal of 19317672292 is 29227671391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16267982116 + 3049690176 = 127546^2 + 55224^2 .

It is a super-2 number, since 2×19317672292² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2414709033 + ... + 2414709040.

Almost surely, 2^19317672292 is an apocalyptic number.

It is an amenable number.

19317672292 is a deficient number, since it is larger than the sum of its proper divisors (14488254226).

19317672292 is a wasteful number, since it uses less digits than its factorization.

19317672292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829418077 (or 4829418075 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

Subtracting 19317672292 from its reverse (29227671391), we obtain a palindrome (9909999099).

The spelling of 19317672292 in words is "nineteen billion, three hundred seventeen million, six hundred seventy-two thousand, two hundred ninety-two".