3449000069 has 16 divisors (see below), whose sum is σ = 3741519600. Its totient is φ = 3167124480.

The previous prime is 3449000063. The next prime is 3449000089. The reversal of 3449000069 is 9600009443.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 320052100 + 3128947969 = 17890^2 + 55937^2 .

It is not a de Polignac number, because 3449000069 - 2⁴ = 3449000053 is a prime.

It is a super-2 number, since 2×3449000069² = 23791202951924009522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3449000063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152507 + ... + 173655.

It is an arithmetic number, because the mean of its divisors is an integer number (233844975).

Almost surely, 2^3449000069 is an apocalyptic number.

It is an amenable number.

3449000069 is a deficient number, since it is larger than the sum of its proper divisors (292519531).

3449000069 is a wasteful number, since it uses less digits than its factorization.

3449000069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3449000069 is about 58728.1880275562. The cubic root of 3449000069 is about 1510.8838106268.

The spelling of 3449000069 in words is "three billion, four hundred forty-nine million, sixty-nine", and thus it is an aban number.