2885738381 has 4 divisors (see below), whose sum is σ = 2886740832. Its totient is φ = 2884735932.

The previous prime is 2885738377. The next prime is 2885738419. The reversal of 2885738381 is 1838375882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2885738381 - 2² = 2885738377 is a prime.

It is a super-2 number, since 2×2885738381² = 16654972007153002322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885738371) 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, 496895 + ... + 502668.

It is an arithmetic number, because the mean of its divisors is an integer number (721685208).

Almost surely, 2^2885738381 is an apocalyptic number.

It is an amenable number.

2885738381 is a deficient number, since it is larger than the sum of its proper divisors (1002451).

2885738381 is an equidigital number, since it uses as much as digits as its factorization.

2885738381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002450.

The product of its digits is 2580480, while the sum is 53.

The square root of 2885738381 is about 53719.0690630432. The cubic root of 2885738381 is about 1423.7016397502.

The spelling of 2885738381 in words is "two billion, eight hundred eighty-five million, seven hundred thirty-eight thousand, three hundred eighty-one".