3213864881 has 8 divisors (see below), whose sum is σ = 3303056064. Its totient is φ = 3124796400.

The previous prime is 3213864859. The next prime is 3213864893. The reversal of 3213864881 is 1884683123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213864881 is a prime.

It is a super-2 number, since 2×3213864881² = 20657854946650288322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213864821) 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, 23756 + ... + 83618.

It is an arithmetic number, because the mean of its divisors is an integer number (412882008).

Almost surely, 2^3213864881 is an apocalyptic number.

It is an amenable number.

3213864881 is a deficient number, since it is larger than the sum of its proper divisors (89191183).

3213864881 is a wasteful number, since it uses less digits than its factorization.

3213864881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61351.

The product of its digits is 221184, while the sum is 44.

The square root of 3213864881 is about 56690.9594291718. The cubic root of 3213864881 is about 1475.7378104815.

The spelling of 3213864881 in words is "three billion, two hundred thirteen million, eight hundred sixty-four thousand, eight hundred eighty-one".