2086132381 has 4 divisors (see below), whose sum is σ = 2112539200. Its totient is φ = 2059725564.

The previous prime is 2086132277. The next prime is 2086132387. The reversal of 2086132381 is 1832316802.

It is a happy number.

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 2086132381 - 2²⁵ = 2052577949 is a prime.

It is a super-2 number, since 2×2086132381² = 8703896622113458322, 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 (2086132387) 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, 13203291 + ... + 13203448.

It is an arithmetic number, because the mean of its divisors is an integer number (528134800).

Almost surely, 2^2086132381 is an apocalyptic number.

It is an amenable number.

2086132381 is a deficient number, since it is larger than the sum of its proper divisors (26406819).

2086132381 is an equidigital number, since it uses as much as digits as its factorization.

2086132381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26406818.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2086132381 is about 45674.1981976695. The cubic root of 2086132381 is about 1277.7541144533.

The spelling of 2086132381 in words is "two billion, eighty-six million, one hundred thirty-two thousand, three hundred eighty-one".