3391664971 has 4 divisors (see below), whose sum is σ = 3410613000. Its totient is φ = 3372716944.

The previous prime is 3391664953. The next prime is 3391664981. The reversal of 3391664971 is 1794661933.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3391664971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3391664981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473746 + ... + 9474103.

It is an arithmetic number, because the mean of its divisors is an integer number (852653250).

Almost surely, 2^3391664971 is an apocalyptic number.

3391664971 is a deficient number, since it is larger than the sum of its proper divisors (18948029).

3391664971 is a wasteful number, since it uses less digits than its factorization.

3391664971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948028.

The product of its digits is 734832, while the sum is 49.

The square root of 3391664971 is about 58238.0028074452. The cubic root of 3391664971 is about 1502.4648321092.

The spelling of 3391664971 in words is "three billion, three hundred ninety-one million, six hundred sixty-four thousand, nine hundred seventy-one".