1097675729 has 2 divisors, whose sum is σ = 1097675730. Its totient is φ = 1097675728.

The previous prime is 1097675717. The next prime is 1097675731. The reversal of 1097675729 is 9275767901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939545104 + 158130625 = 30652^2 + 12575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097675729 - 2²⁰ = 1096627153 is a prime.

Together with 1097675731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1097675129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548837864 + 548837865.

It is an arithmetic number, because the mean of its divisors is an integer number (548837865).

Almost surely, 2^1097675729 is an apocalyptic number.

It is an amenable number.

1097675729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097675729 is an equidigital number, since it uses as much as digits as its factorization.

1097675729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 53.

The square root of 1097675729 is about 33131.1896707619. The cubic root of 1097675729 is about 1031.5525425449.

The spelling of 1097675729 in words is "one billion, ninety-seven million, six hundred seventy-five thousand, seven hundred twenty-nine".