2240000689 has 2 divisors, whose sum is σ = 2240000690. Its totient is φ = 2240000688.

The previous prime is 2240000671. The next prime is 2240000701. The reversal of 2240000689 is 9860000422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488802225 + 751198464 = 38585^2 + 27408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240000689 - 2⁷ = 2240000561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2240000689.

It is not a weakly prime, because it can be changed into another prime (2240000669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120000344 + 1120000345.

It is an arithmetic number, because the mean of its divisors is an integer number (1120000345).

Almost surely, 2^2240000689 is an apocalyptic number.

It is an amenable number.

2240000689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240000689 is an equidigital number, since it uses as much as digits as its factorization.

2240000689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2240000689 is about 47328.6455436874. The cubic root of 2240000689 is about 1308.4266582281.

The spelling of 2240000689 in words is "two billion, two hundred forty million, six hundred eighty-nine", and thus it is an aban number.