1795649689 has 2 divisors, whose sum is σ = 1795649690. Its totient is φ = 1795649688.

The previous prime is 1795649657. The next prime is 1795649717. The reversal of 1795649689 is 9869465971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1663008400 + 132641289 = 40780^2 + 11517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1795649689 - 2⁵ = 1795649657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1795649689.

It is not a weakly prime, because it can be changed into another prime (1795649189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897824844 + 897824845.

It is an arithmetic number, because the mean of its divisors is an integer number (897824845).

Almost surely, 2^1795649689 is an apocalyptic number.

It is an amenable number.

1795649689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1795649689 is an equidigital number, since it uses as much as digits as its factorization.

1795649689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 64.

The square root of 1795649689 is about 42375.1069497175. The cubic root of 1795649689 is about 1215.4596281884.

The spelling of 1795649689 in words is "one billion, seven hundred ninety-five million, six hundred forty-nine thousand, six hundred eighty-nine".