4326503561 has 4 divisors (see below), whose sum is σ = 4466068224. Its totient is φ = 4186938900.

The previous prime is 4326503449. The next prime is 4326503603. The reversal of 4326503561 is 1653056234.

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 4326503561 - 2¹⁸ = 4326241417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4326563561) 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, 69782285 + ... + 69782346.

It is an arithmetic number, because the mean of its divisors is an integer number (1116517056).

Almost surely, 2^4326503561 is an apocalyptic number.

It is an amenable number.

4326503561 is a deficient number, since it is larger than the sum of its proper divisors (139564663).

4326503561 is a wasteful number, since it uses less digits than its factorization.

4326503561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139564662.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 4326503561 is about 65776.1625590913. The cubic root of 4326503561 is about 1629.4674463073.

Adding to 4326503561 its reverse (1653056234), we get a palindrome (5979559795).

The spelling of 4326503561 in words is "four billion, three hundred twenty-six million, five hundred three thousand, five hundred sixty-one".