19744204292 has 6 divisors (see below), whose sum is σ = 34552357518. Its totient is φ = 9872102144.

The previous prime is 19744204279. The next prime is 19744204303. The reversal of 19744204292 is 29240244791.

It can be written as a sum of positive squares in only one way, i.e., 13638969796 + 6105234496 = 116786^2 + 78136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468025533 + ... + 2468025540.

It is an arithmetic number, because the mean of its divisors is an integer number (5758726253).

Almost surely, 2^19744204292 is an apocalyptic number.

It is an amenable number.

19744204292 is a deficient number, since it is larger than the sum of its proper divisors (14808153226).

19744204292 is a wasteful number, since it uses less digits than its factorization.

19744204292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936051077 (or 4936051075 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 19744204292 in words is "nineteen billion, seven hundred forty-four million, two hundred four thousand, two hundred ninety-two".