19672713922 has 8 divisors (see below), whose sum is σ = 31244898636. Its totient is φ = 9257747712.

The previous prime is 19672713917. The next prime is 19672713979. The reversal of 19672713922 is 22931727691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15178486401 + 4494227521 = 123201^2 + 67039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289304583 + ... + 289304650.

Almost surely, 2^19672713922 is an apocalyptic number.

19672713922 is a deficient number, since it is larger than the sum of its proper divisors (11572184714).

19672713922 is a wasteful number, since it uses less digits than its factorization.

19672713922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578609252.

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

The spelling of 19672713922 in words is "nineteen billion, six hundred seventy-two million, seven hundred thirteen thousand, nine hundred twenty-two".