2697189065 has 8 divisors (see below), whose sum is σ = 3236905800. Its totient is φ = 2157565312.

The previous prime is 2697189049. The next prime is 2697189067. The reversal of 2697189065 is 5609817962.

It can be written as a sum of positive squares in 4 ways, for example, as 151683856 + 2545505209 = 12316^2 + 50453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2697189065 - 2⁴ = 2697189049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2697188998 and 2697189016.

It is not an unprimeable number, because it can be changed into a prime (2697189067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99677 + ... + 123813.

It is an arithmetic number, because the mean of its divisors is an integer number (404613225).

Almost surely, 2^2697189065 is an apocalyptic number.

It is an amenable number.

2697189065 is a deficient number, since it is larger than the sum of its proper divisors (539716735).

2697189065 is a wasteful number, since it uses less digits than its factorization.

2697189065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46491.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 2697189065 is about 51934.4689488590. The cubic root of 2697189065 is about 1391.9932524954.

The spelling of 2697189065 in words is "two billion, six hundred ninety-seven million, one hundred eighty-nine thousand, sixty-five".