4430401561 has 4 divisors (see below), whose sum is σ = 4524665472. Its totient is φ = 4336137652.

The previous prime is 4430401541. The next prime is 4430401597. The reversal of 4430401561 is 1651040344.

4430401561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4430401561 - 2⁹ = 4430401049 is a prime.

It is a super-2 number, since 2×4430401561² = 39256915983422473442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4430401531) 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, 47131885 + ... + 47131978.

It is an arithmetic number, because the mean of its divisors is an integer number (1131166368).

Almost surely, 2^4430401561 is an apocalyptic number.

It is an amenable number.

4430401561 is a deficient number, since it is larger than the sum of its proper divisors (94263911).

4430401561 is an equidigital number, since it uses as much as digits as its factorization.

4430401561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94263910.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4430401561 is about 66561.2617143035. The cubic root of 4430401561 is about 1642.4079194557.

The spelling of 4430401561 in words is "four billion, four hundred thirty million, four hundred one thousand, five hundred sixty-one".