4321294381 has 4 divisors (see below), whose sum is σ = 4321483452. Its totient is φ = 4321105312.

The previous prime is 4321294363. The next prime is 4321294387. The reversal of 4321294381 is 1834921234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4182855625 + 138438756 = 64675^2 + 11766^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321294381 - 2¹¹ = 4321292333 is a prime.

It is a super-2 number, since 2×4321294381² = 37347170254524346322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4321294381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321294387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54640 + ... + 107833.

It is an arithmetic number, because the mean of its divisors is an integer number (1080370863).

Almost surely, 2^4321294381 is an apocalyptic number.

It is an amenable number.

4321294381 is a deficient number, since it is larger than the sum of its proper divisors (189071).

4321294381 is a wasteful number, since it uses less digits than its factorization.

4321294381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189070.

The product of its digits is 41472, while the sum is 37.

The square root of 4321294381 is about 65736.5528530360. The cubic root of 4321294381 is about 1628.8132153151.

The spelling of 4321294381 in words is "four billion, three hundred twenty-one million, two hundred ninety-four thousand, three hundred eighty-one".