19969802343348 has 72 divisors (see below), whose sum is σ = 55157110402464. Its totient is φ = 5585958692160.

The previous prime is 19969802343299. The next prime is 19969802343371. The reversal of 19969802343348 is 84334320896991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528954486 + ... + 528992237.

It is an arithmetic number, because the mean of its divisors is an integer number (766070977812).

Almost surely, 2^{19969802343348} is an apocalyptic number.

It is an amenable number.

19969802343348 is an abundant number, since it is smaller than the sum of its proper divisors (35187308059116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19969802343348 is a wasteful number, since it uses less digits than its factorization.

19969802343348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057946765 (or 1057946752 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 69.

The spelling of 19969802343348 in words is "nineteen trillion, nine hundred sixty-nine billion, eight hundred two million, three hundred forty-three thousand, three hundred forty-eight".