2699807449 has 2 divisors, whose sum is σ = 2699807450. Its totient is φ = 2699807448.

The previous prime is 2699807443. The next prime is 2699807543. The reversal of 2699807449 is 9447089962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2587553424 + 112254025 = 50868^2 + 10595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2699807449 - 2³ = 2699807441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2699807393 and 2699807402.

It is not a weakly prime, because it can be changed into another prime (2699807441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349903724 + 1349903725.

It is an arithmetic number, because the mean of its divisors is an integer number (1349903725).

Almost surely, 2^2699807449 is an apocalyptic number.

It is an amenable number.

2699807449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2699807449 is an equidigital number, since it uses as much as digits as its factorization.

2699807449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 2699807449 is about 51959.6713711702. The cubic root of 2699807449 is about 1392.4435477202.

The spelling of 2699807449 in words is "two billion, six hundred ninety-nine million, eight hundred seven thousand, four hundred forty-nine".