2041456381 has 4 divisors (see below), whose sum is σ = 2041547200. Its totient is φ = 2041365564.

The previous prime is 2041456367. The next prime is 2041456411. The reversal of 2041456381 is 1836541402.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2041456381 - 2⁷ = 2041456253 is a prime.

It is a super-2 number, since 2×2041456381² = 8335088311051234322, 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 (2041456321) 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, 15910 + ... + 65848.

It is an arithmetic number, because the mean of its divisors is an integer number (510386800).

Almost surely, 2^2041456381 is an apocalyptic number.

It is an amenable number.

2041456381 is a deficient number, since it is larger than the sum of its proper divisors (90819).

2041456381 is an equidigital number, since it uses as much as digits as its factorization.

2041456381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 2041456381 is about 45182.4786947330. The cubic root of 2041456381 is about 1268.5668792924.

Adding to 2041456381 its reverse (1836541402), we get a palindrome (3877997783).

The spelling of 2041456381 in words is "two billion, forty-one million, four hundred fifty-six thousand, three hundred eighty-one".