190003047187 has 2 divisors, whose sum is σ = 190003047188. Its totient is φ = 190003047186.

The previous prime is 190003047139. The next prime is 190003047193. The reversal of 190003047187 is 781740300091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190003047187 is a prime.

It is a super-2 number, since 2×190003047187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190003041187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95001523593 + 95001523594.

It is an arithmetic number, because the mean of its divisors is an integer number (95001523594).

Almost surely, 2^190003047187 is an apocalyptic number.

190003047187 is a deficient number, since it is larger than the sum of its proper divisors (1).

190003047187 is an equidigital number, since it uses as much as digits as its factorization.

190003047187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 190003047187 in words is "one hundred ninety billion, three million, forty-seven thousand, one hundred eighty-seven".