19843802002 has 8 divisors (see below), whose sum is σ = 29915280000. Its totient is φ = 9872042004.

The previous prime is 19843801997. The next prime is 19843802003. The reversal of 19843802002 is 20020834891.

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

It is not an unprimeable number, because it can be changed into a prime (19843802003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24929002 + ... + 24929797.

It is an arithmetic number, because the mean of its divisors is an integer number (3739410000).

Almost surely, 2^19843802002 is an apocalyptic number.

19843802002 is a deficient number, since it is larger than the sum of its proper divisors (10071477998).

19843802002 is a wasteful number, since it uses less digits than its factorization.

19843802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859000.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 19843802002 in words is "nineteen billion, eight hundred forty-three million, eight hundred two thousand, two".