4430713561 has 4 divisors (see below), whose sum is σ = 4441763124. Its totient is φ = 4419664000.

The previous prime is 4430713549. The next prime is 4430713597. The reversal of 4430713561 is 1653170344.

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 4115864025 + 314849536 = 64155^2 + 17744^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430713561 - 2³¹ = 2283229913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4430113561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524180 + ... + 5524981.

It is an arithmetic number, because the mean of its divisors is an integer number (1110440781).

Almost surely, 2^4430713561 is an apocalyptic number.

It is an amenable number.

4430713561 is a deficient number, since it is larger than the sum of its proper divisors (11049563).

4430713561 is a wasteful number, since it uses less digits than its factorization.

4430713561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11049562.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 4430713561 is about 66563.6053786151. The cubic root of 4430713561 is about 1642.4464727137.

The spelling of 4430713561 in words is "four billion, four hundred thirty million, seven hundred thirteen thousand, five hundred sixty-one".