84194789650 has 24 divisors (see below), whose sum is σ = 156921300144. Its totient is φ = 33609315600.

The previous prime is 84194789599. The next prime is 84194789663. The reversal of 84194789650 is 5698749148.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690212 + ... + 1739311.

It is an arithmetic number, because the mean of its divisors is an integer number (6538387506).

Almost surely, 2^84194789650 is an apocalyptic number.

84194789650 is a deficient number, since it is larger than the sum of its proper divisors (72726510494).

84194789650 is a wasteful number, since it uses less digits than its factorization.

84194789650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430026 (or 3430021 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 84194789650 in words is "eighty-four billion, one hundred ninety-four million, seven hundred eighty-nine thousand, six hundred fifty".