191929200002 has 16 divisors (see below), whose sum is σ = 289169671032. Its totient is φ = 95539534080.

The previous prime is 191929199989. The next prime is 191929200013. The reversal of 191929200002 is 200002929191.

It can be written as a sum of positive squares in 4 ways, for example, as 155203693681 + 36725506321 = 393959^2 + 191639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718168 + ... + 1826460.

Almost surely, 2^191929200002 is an apocalyptic number.

191929200002 is a deficient number, since it is larger than the sum of its proper divisors (97240471030).

191929200002 is a wasteful number, since it uses less digits than its factorization.

191929200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112213.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 191929200002 in words is "one hundred ninety-one billion, nine hundred twenty-nine million, two hundred thousand, two".