2697605489 has 2 divisors, whose sum is σ = 2697605490. Its totient is φ = 2697605488.

The previous prime is 2697605459. The next prime is 2697605527. The reversal of 2697605489 is 9845067962.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2149249600 + 548355889 = 46360^2 + 23417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2697605489 - 2⁸ = 2697605233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2697605459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348802744 + 1348802745.

It is an arithmetic number, because the mean of its divisors is an integer number (1348802745).

Almost surely, 2^2697605489 is an apocalyptic number.

It is an amenable number.

2697605489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697605489 is an equidigital number, since it uses as much as digits as its factorization.

2697605489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 2697605489 is about 51938.4779234047. The cubic root of 2697605489 is about 1392.0648862785.

The spelling of 2697605489 in words is "two billion, six hundred ninety-seven million, six hundred five thousand, four hundred eighty-nine".