4013056321 has 8 divisors (see below), whose sum is σ = 4075283520. Its totient is φ = 3950897808.

The previous prime is 4013056241. The next prime is 4013056357. The reversal of 4013056321 is 1236503104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4013056321 - 2¹¹ = 4013054273 is a prime.

It is a super-2 number, since 2×4013056321² = 32209242071036110082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4013056381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107535 + ... + 139963.

It is an arithmetic number, because the mean of its divisors is an integer number (509410440).

Almost surely, 2^4013056321 is an apocalyptic number.

It is an amenable number.

4013056321 is a deficient number, since it is larger than the sum of its proper divisors (62227199).

4013056321 is a wasteful number, since it uses less digits than its factorization.

4013056321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34343.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4013056321 is about 63348.6883921049. The cubic root of 4013056321 is about 1589.1263110071.

Adding to 4013056321 its reverse (1236503104), we get a palindrome (5249559425).

The spelling of 4013056321 in words is "four billion, thirteen million, fifty-six thousand, three hundred twenty-one".