190000910129 has 2 divisors, whose sum is σ = 190000910130. Its totient is φ = 190000910128.

The previous prime is 190000910111. The next prime is 190000910173. The reversal of 190000910129 is 921019000091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153878106529 + 36122803600 = 392273^2 + 190060^2 .

It is a cyclic number.

It is not a de Polignac number, because 190000910129 - 2¹² = 190000906033 is a prime.

It is a super-2 number, since 2×190000910129² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190000910095 and 190000910104.

It is not a weakly prime, because it can be changed into another prime (190000916129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95000455064 + 95000455065.

It is an arithmetic number, because the mean of its divisors is an integer number (95000455065).

Almost surely, 2^190000910129 is an apocalyptic number.

It is an amenable number.

190000910129 is a deficient number, since it is larger than the sum of its proper divisors (1).

190000910129 is an equidigital number, since it uses as much as digits as its factorization.

190000910129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 190000910129 in words is "one hundred ninety billion, nine hundred ten thousand, one hundred twenty-nine".