1906717097 has 2 divisors, whose sum is σ = 1906717098. Its totient is φ = 1906717096.

The previous prime is 1906717067. The next prime is 1906717147. The reversal of 1906717097 is 7907176091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092699136 + 814017961 = 33056^2 + 28531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1906717097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906717067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953358548 + 953358549.

It is an arithmetic number, because the mean of its divisors is an integer number (953358549).

Almost surely, 2^1906717097 is an apocalyptic number.

It is an amenable number.

1906717097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906717097 is an equidigital number, since it uses as much as digits as its factorization.

1906717097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 1906717097 is about 43665.9718430725. The cubic root of 1906717097 is about 1240.0201819903.

The spelling of 1906717097 in words is "one billion, nine hundred six million, seven hundred seventeen thousand, ninety-seven".