2881433381 has 2 divisors, whose sum is σ = 2881433382. Its totient is φ = 2881433380.

The previous prime is 2881433369. The next prime is 2881433389. The reversal of 2881433381 is 1833341882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1557565156 + 1323868225 = 39466^2 + 36385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881433381 - 2¹⁴ = 2881416997 is a prime.

It is a super-2 number, since 2×2881433381² = 16605316658282182322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881433389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440716690 + 1440716691.

It is an arithmetic number, because the mean of its divisors is an integer number (1440716691).

Almost surely, 2^2881433381 is an apocalyptic number.

It is an amenable number.

2881433381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881433381 is an equidigital number, since it uses as much as digits as its factorization.

2881433381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 2881433381 is about 53678.9845377127. The cubic root of 2881433381 is about 1422.9933189113.

The spelling of 2881433381 in words is "two billion, eight hundred eighty-one million, four hundred thirty-three thousand, three hundred eighty-one".