4094544381 has 4 divisors (see below), whose sum is σ = 5459392512. Its totient is φ = 2729696252.

The previous prime is 4094544347. The next prime is 4094544383. The reversal of 4094544381 is 1834454904.

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 4094544381 - 2¹⁰ = 4094543357 is a prime.

It is a super-2 number, since 2×4094544381² = 33530587375957346322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094544383) 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, 682424061 + ... + 682424066.

It is an arithmetic number, because the mean of its divisors is an integer number (1364848128).

Almost surely, 2^4094544381 is an apocalyptic number.

It is an amenable number.

4094544381 is a deficient number, since it is larger than the sum of its proper divisors (1364848131).

4094544381 is a wasteful number, since it uses less digits than its factorization.

4094544381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364848130.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 4094544381 is about 63988.6269660476. The cubic root of 4094544381 is about 1599.8104438197.

The spelling of 4094544381 in words is "four billion, ninety-four million, five hundred forty-four thousand, three hundred eighty-one".