4368813409 has 9 divisors (see below), whose sum is σ = 4407286041. Its totient is φ = 4330675440.

The previous prime is 4368813367. The next prime is 4368813433. The reversal of 4368813409 is 9043188634.

The square root of 4368813409 is 66097.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2806350625 + 1562462784 = 52975^2 + 39528^2 .

It is not a de Polignac number, because 4368813409 - 2¹⁵ = 4368780641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4368813809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10377019 + ... + 10377439.

It is an arithmetic number, because the mean of its divisors is an integer number (489698449).

Almost surely, 2^4368813409 is an apocalyptic number.

4368813409 is the 66097-th square number.

4368813409 is the 33049-th centered octagonal number.

It is an amenable number.

4368813409 is a deficient number, since it is larger than the sum of its proper divisors (38472632).

4368813409 is an frugal number, since it uses more digits than its factorization.

4368813409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The cubic root of 4368813409 is about 1634.7618676400.

The spelling of 4368813409 in words is "four billion, three hundred sixty-eight million, eight hundred thirteen thousand, four hundred nine".