1906717147 has 2 divisors, whose sum is σ = 1906717148. Its totient is φ = 1906717146.

The previous prime is 1906717097. The next prime is 1906717187. The reversal of 1906717147 is 7417176091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1906717147 - 2⁷ = 1906717019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906717187) 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, 953358573 + 953358574.

It is an arithmetic number, because the mean of its divisors is an integer number (953358574).

Almost surely, 2^1906717147 is an apocalyptic number.

1906717147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906717147 is an equidigital number, since it uses as much as digits as its factorization.

1906717147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 1906717147 is about 43665.9724156007. The cubic root of 1906717147 is about 1240.0201928293.

The spelling of 1906717147 in words is "one billion, nine hundred six million, seven hundred seventeen thousand, one hundred forty-seven".