4523656409 has 4 divisors (see below), whose sum is σ = 4538202240. Its totient is φ = 4509110580.

The previous prime is 4523656387. The next prime is 4523656411. The reversal of 4523656409 is 9046563254.

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 4523656409 - 2¹² = 4523652313 is a prime.

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 4523656409.

It is not an unprimeable number, because it can be changed into a prime (4523656309) 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, 7272449 + ... + 7273070.

It is an arithmetic number, because the mean of its divisors is an integer number (1134550560).

Almost surely, 2^4523656409 is an apocalyptic number.

It is an amenable number.

4523656409 is a deficient number, since it is larger than the sum of its proper divisors (14545831).

4523656409 is a wasteful number, since it uses less digits than its factorization.

4523656409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14545830.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 4523656409 is about 67258.1326606679. The cubic root of 4523656409 is about 1653.8515971350.

The spelling of 4523656409 in words is "four billion, five hundred twenty-three million, six hundred fifty-six thousand, four hundred nine".