19973038276 has 9 divisors (see below), whose sum is σ = 34953311631. Its totient is φ = 9986377812.

The previous prime is 19973038249. The next prime is 19973038291. The reversal of 19973038276 is 67283037991.

It is a happy number.

The square root of 19973038276 is 141326.

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

It is a super-2 number, since 2×19973038276² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 247321 + ... + 317983.

Almost surely, 2^19973038276 is an apocalyptic number.

19973038276 is the 141326-th square number.

It is an amenable number.

19973038276 is a deficient number, since it is larger than the sum of its proper divisors (14980273355).

19973038276 is an frugal number, since it uses more digits than its factorization.

19973038276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141330 (or 70665 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 19973038276 in words is "nineteen billion, nine hundred seventy-three million, thirty-eight thousand, two hundred seventy-six".