4400121313 has 8 divisors (see below), whose sum is σ = 5041380032. Its totient is φ = 3762030096.

The previous prime is 4400121287. The next prime is 4400121331. The reversal of 4400121313 is 3131210044.

4400121313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4400121313 - 2⁹ = 4400120801 is a prime.

It is a super-2 number, since 2×4400121313² = 38722135138233687938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400121343) 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, 788895 + ... + 794452.

It is an arithmetic number, because the mean of its divisors is an integer number (630172504).

Almost surely, 2^4400121313 is an apocalyptic number.

It is an amenable number.

4400121313 is a deficient number, since it is larger than the sum of its proper divisors (641258719).

4400121313 is a wasteful number, since it uses less digits than its factorization.

4400121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583751.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4400121313 is about 66333.4102319487. The cubic root of 4400121313 is about 1638.6576008085.

Adding to 4400121313 its reverse (3131210044), we get a palindrome (7531331357).

The spelling of 4400121313 in words is "four billion, four hundred million, one hundred twenty-one thousand, three hundred thirteen".