4245554609 has 4 divisors (see below), whose sum is σ = 4245834240. Its totient is φ = 4245274980.

The previous prime is 4245554597. The next prime is 4245554623. The reversal of 4245554609 is 9064555424.

4245554609 is digitally balanced in base 2, 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 4245554609 - 2⁸ = 4245554353 is a prime.

It is a super-2 number, since 2×4245554609² = 36049467876002285762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245554609.

It is not an unprimeable number, because it can be changed into a prime (4245554669) 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, 115649 + ... + 147870.

It is an arithmetic number, because the mean of its divisors is an integer number (1061458560).

Almost surely, 2^4245554609 is an apocalyptic number.

It is an amenable number.

4245554609 is a deficient number, since it is larger than the sum of its proper divisors (279631).

4245554609 is a wasteful number, since it uses less digits than its factorization.

4245554609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279630.

The product of its (nonzero) digits is 864000, while the sum is 44.

The square root of 4245554609 is about 65157.9205392560. The cubic root of 4245554609 is about 1619.2409451403.

The spelling of 4245554609 in words is "four billion, two hundred forty-five million, five hundred fifty-four thousand, six hundred nine".