1697927084089 has 2 divisors, whose sum is σ = 1697927084090. Its totient is φ = 1697927084088.

The previous prime is 1697927084003. The next prime is 1697927084111. The reversal of 1697927084089 is 9804807297961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1616877549225 + 81049534864 = 1271565^2 + 284692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1697927084089 - 2²³ = 1697918695481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1697927084389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848963542044 + 848963542045.

It is an arithmetic number, because the mean of its divisors is an integer number (848963542045).

Almost surely, 2^{1697927084089} is an apocalyptic number.

It is an amenable number.

1697927084089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697927084089 is an equidigital number, since it uses as much as digits as its factorization.

1697927084089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109734912, while the sum is 70.

The spelling of 1697927084089 in words is "one trillion, six hundred ninety-seven billion, nine hundred twenty-seven million, eighty-four thousand, eighty-nine".