3293872649 has 8 divisors (see below), whose sum is σ = 3310863240. Its totient is φ = 3276919296.

The previous prime is 3293872613. The next prime is 3293872651. The reversal of 3293872649 is 9462783923.

It can be written as a sum of positive squares in 4 ways, for example, as 4276624 + 3289596025 = 2068^2 + 57355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3293872649 - 2¹⁶ = 3293807113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3293872649.

It is not an unprimeable number, because it can be changed into a prime (3293872609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177587 + ... + 195255.

It is an arithmetic number, because the mean of its divisors is an integer number (413857905).

Almost surely, 2^3293872649 is an apocalyptic number.

It is an amenable number.

3293872649 is a deficient number, since it is larger than the sum of its proper divisors (16990591).

3293872649 is a wasteful number, since it uses less digits than its factorization.

3293872649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18619.

The product of its digits is 3919104, while the sum is 53.

The square root of 3293872649 is about 57392.2699411689. The cubic root of 3293872649 is about 1487.8835240526.

The spelling of 3293872649 in words is "three billion, two hundred ninety-three million, eight hundred seventy-two thousand, six hundred forty-nine".