191010002 has 16 divisors (see below), whose sum is σ = 304270560. Its totient is φ = 89675712.

The previous prime is 191009969. The next prime is 191010019. The reversal of 191010002 is 200010191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17948 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (19016910).

Almost surely, 2^191010002 is an apocalyptic number.

191010002 is a deficient number, since it is larger than the sum of its proper divisors (113260558).

191010002 is a wasteful number, since it uses less digits than its factorization.

191010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44617.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 191010002 is about 13820.6368160082. The cubic root of 191010002 is about 575.9065744340.

Adding to 191010002 its reverse (200010191), we get a palindrome (391020193).

The spelling of 191010002 in words is "one hundred ninety-one million, ten thousand, two".