3491663394 has 16 divisors (see below), whose sum is σ = 7224131520. Its totient is φ = 1123753680.

The previous prime is 3491663377. The next prime is 3491663401. The reversal of 3491663394 is 4933661943.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10033342 + ... + 10033689.

It is an arithmetic number, because the mean of its divisors is an integer number (451508220).

Almost surely, 2^3491663394 is an apocalyptic number.

3491663394 is an abundant number, since it is smaller than the sum of its proper divisors (3732468126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491663394 is a wasteful number, since it uses less digits than its factorization.

3491663394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067065.

The product of its digits is 1259712, while the sum is 48.

The square root of 3491663394 is about 59090.2986453783. The cubic root of 3491663394 is about 1517.0880587226.

The spelling of 3491663394 in words is "three billion, four hundred ninety-one million, six hundred sixty-three thousand, three hundred ninety-four".