2881693966 has 16 divisors (see below), whose sum is σ = 4540359168. Its totient is φ = 1369071000.

The previous prime is 2881693961. The next prime is 2881693999. The reversal of 2881693966 is 6693961882.

It is a super-2 number, since 2×2881693966² = 16608320227361618312, 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 2881693966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881693961) 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, 200490 + ... + 214381.

It is an arithmetic number, because the mean of its divisors is an integer number (283772448).

Almost surely, 2^2881693966 is an apocalyptic number.

2881693966 is a deficient number, since it is larger than the sum of its proper divisors (1658665202).

2881693966 is a wasteful number, since it uses less digits than its factorization.

2881693966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415047.

The product of its digits is 6718464, while the sum is 58.

The square root of 2881693966 is about 53681.4117362798. The cubic root of 2881693966 is about 1423.0362141753.

The spelling of 2881693966 in words is "two billion, eight hundred eighty-one million, six hundred ninety-three thousand, nine hundred sixty-six".