2866496381 has 4 divisors (see below), whose sum is σ = 3275995872. Its totient is φ = 2456996892.

The previous prime is 2866496363. The next prime is 2866496393. The reversal of 2866496381 is 1836946682.

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 not a de Polignac number, because 2866496381 - 2⁶ = 2866496317 is a prime.

It is a super-2 number, since 2×2866496381² = 16433603004572194322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866496681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204749735 + ... + 204749748.

It is an arithmetic number, because the mean of its divisors is an integer number (818998968).

Almost surely, 2^2866496381 is an apocalyptic number.

It is an amenable number.

2866496381 is a deficient number, since it is larger than the sum of its proper divisors (409499491).

2866496381 is an equidigital number, since it uses as much as digits as its factorization.

2866496381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409499490.

The product of its digits is 2985984, while the sum is 53.

The square root of 2866496381 is about 53539.6710953663. The cubic root of 2866496381 is about 1420.5301830639.

The spelling of 2866496381 in words is "two billion, eight hundred sixty-six million, four hundred ninety-six thousand, three hundred eighty-one".