1697109613 has 2 divisors, whose sum is σ = 1697109614. Its totient is φ = 1697109612.

The previous prime is 1697109593. The next prime is 1697109629. The reversal of 1697109613 is 3169017961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1412782569 + 284327044 = 37587^2 + 16862^2 .

It is a cyclic number.

It is not a de Polignac number, because 1697109613 - 2⁵ = 1697109581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1697109613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1697109653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848554806 + 848554807.

It is an arithmetic number, because the mean of its divisors is an integer number (848554807).

Almost surely, 2^1697109613 is an apocalyptic number.

It is an amenable number.

1697109613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697109613 is an equidigital number, since it uses as much as digits as its factorization.

1697109613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1697109613 is about 41195.9902539070. The cubic root of 1697109613 is about 1192.8064105151.

The spelling of 1697109613 in words is "one billion, six hundred ninety-seven million, one hundred nine thousand, six hundred thirteen".