191282008404490 has 16 divisors (see below), whose sum is σ = 344313548113248. Its totient is φ = 76511484920656.

The previous prime is 191282008404467. The next prime is 191282008404493. The reversal of 191282008404490 is 94404800282191.

It is not an unprimeable number, because it can be changed into a prime (191282008404493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164195692 + ... + 165356551.

It is an arithmetic number, because the mean of its divisors is an integer number (21519596757078).

Almost surely, 2^{191282008404490} is an apocalyptic number.

191282008404490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191282008404490 is a deficient number, since it is larger than the sum of its proper divisors (153031539708758).

191282008404490 is a wasteful number, since it uses less digits than its factorization.

191282008404490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329610293.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 191282008404490 in words is "one hundred ninety-one trillion, two hundred eighty-two billion, eight million, four hundred four thousand, four hundred ninety".