3319347981 has 8 divisors (see below), whose sum is σ = 4435399584. Its totient is φ = 2208097520.

The previous prime is 3319347979. The next prime is 3319347989. The reversal of 3319347981 is 1897439133.

It is a happy number.

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 3319347981 - 2¹ = 3319347979 is a prime.

It is a super-2 number, since 2×3319347981² = 22036142037937552722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3319347981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3319347989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198671 + ... + 1201436.

It is an arithmetic number, because the mean of its divisors is an integer number (554424948).

Almost surely, 2^3319347981 is an apocalyptic number.

It is an amenable number.

3319347981 is a deficient number, since it is larger than the sum of its proper divisors (1116051603).

3319347981 is a wasteful number, since it uses less digits than its factorization.

3319347981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400571.

The product of its digits is 489888, while the sum is 48.

The square root of 3319347981 is about 57613.7829082590. The cubic root of 3319347981 is about 1491.7095194844.

The spelling of 3319347981 in words is "three billion, three hundred nineteen million, three hundred forty-seven thousand, nine hundred eighty-one".