3290642849 has 4 divisors (see below), whose sum is σ = 3543769236. Its totient is φ = 3037516464.

The previous prime is 3290642843. The next prime is 3290642857. The reversal of 3290642849 is 9482460923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1621511824 + 1669131025 = 40268^2 + 40855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3290642849 - 2⁴ = 3290642833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3290642843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126563174 + ... + 126563199.

It is an arithmetic number, because the mean of its divisors is an integer number (885942309).

Almost surely, 2^3290642849 is an apocalyptic number.

It is an amenable number.

3290642849 is a deficient number, since it is larger than the sum of its proper divisors (253126387).

3290642849 is a wasteful number, since it uses less digits than its factorization.

3290642849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253126386.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 3290642849 is about 57364.1251044588. The cubic root of 3290642849 is about 1487.3970513127.

The spelling of 3290642849 in words is "three billion, two hundred ninety million, six hundred forty-two thousand, eight hundred forty-nine".