84202019194 has 8 divisors (see below), whose sum is σ = 126305202420. Its totient is φ = 42100285056.

The previous prime is 84202019183. The next prime is 84202019219. The reversal of 84202019194 is 49191020248.

It can be written as a sum of positive squares in 2 ways, for example, as 70656550969 + 13545468225 = 265813^2 + 116385^2 .

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, 202999 + ... + 457834.

Almost surely, 2^84202019194 is an apocalyptic number.

84202019194 is a deficient number, since it is larger than the sum of its proper divisors (42103183226).

84202019194 is a wasteful number, since it uses less digits than its factorization.

84202019194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724544.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 84202019194 in words is "eighty-four billion, two hundred two million, nineteen thousand, one hundred ninety-four".