3259610649 has 9 divisors (see below), whose sum is σ = 4708573909. Its totient is φ = 2172959580.

The previous prime is 3259610621. The next prime is 3259610663. The reversal of 3259610649 is 9460169523.

The square root of 3259610649 is 57093.

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

3259610649 is a `hidden beast` number, since 3 + 2 + 596 + 10 + 6 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3259610649 - 2⁷ = 3259610521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3259610689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 161764 + ... + 180794.

Almost surely, 2^3259610649 is an apocalyptic number.

3259610649 is the 57093-rd square number.

3259610649 is the 28547-th centered octagonal number.

It is an amenable number.

3259610649 is a deficient number, since it is larger than the sum of its proper divisors (1448963260).

3259610649 is an frugal number, since it uses more digits than its factorization.

3259610649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38068 (or 19034 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The cubic root of 3259610649 is about 1482.7066747836.

The spelling of 3259610649 in words is "three billion, two hundred fifty-nine million, six hundred ten thousand, six hundred forty-nine".