190962818942890 has 8 divisors (see below), whose sum is σ = 343733074097220. Its totient is φ = 76385127577152.

The previous prime is 190962818942881. The next prime is 190962818942893. The reversal of 190962818942890 is 98249818269091.

It can be written as a sum of positive squares in 2 ways, for example, as 186387998455201 + 4574820487689 = 13652399^2 + 2138883^2 .

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

It is a super-2 number, since 2×190962818942890² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190962818942893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9548140947135 + ... + 9548140947154.

Almost surely, 2^{190962818942890} is an apocalyptic number.

190962818942890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190962818942890 is a deficient number, since it is larger than the sum of its proper divisors (152770255154330).

190962818942890 is a wasteful number, since it uses less digits than its factorization.

190962818942890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096281894296.

The product of its (nonzero) digits is 322486272, while the sum is 76.

The spelling of 190962818942890 in words is "one hundred ninety trillion, nine hundred sixty-two billion, eight hundred eighteen million, nine hundred forty-two thousand, eight hundred ninety".