3443694489 has 27 divisors (see below), whose sum is σ = 5148018837. Its totient is φ = 2218217400.

The previous prime is 3443694479. The next prime is 3443694491. The reversal of 3443694489 is 9844963443.

The square root of 3443694489 is 58683.

It is a perfect power (a square), and thus also a powerful number.

3443694489 is a `hidden beast` number, since 3 + 44 + 36 + 94 + 489 = 666.

3443694489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3443694489 - 2⁷ = 3443694361 is a prime.

It is a super-2 number, since 2×3443694489² = 23718063467137942242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3443694409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5457204 + ... + 5457834.

Almost surely, 2^3443694489 is an apocalyptic number.

3443694489 is the 58683-rd square number.

3443694489 is the 29342-nd centered octagonal number.

It is an amenable number.

3443694489 is a deficient number, since it is larger than the sum of its proper divisors (1704324348).

3443694489 is an frugal number, since it uses more digits than its factorization.

3443694489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 665 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The cubic root of 3443694489 is about 1510.1086846321.

The spelling of 3443694489 in words is "three billion, four hundred forty-three million, six hundred ninety-four thousand, four hundred eighty-nine".