4521069889 has 4 divisors (see below), whose sum is σ = 5166937024. Its totient is φ = 3875202756.

The previous prime is 4521069887. The next prime is 4521069901. The reversal of 4521069889 is 9889601254.

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 4521069889 - 2¹ = 4521069887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521069881) 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, 322933557 + ... + 322933570.

It is an arithmetic number, because the mean of its divisors is an integer number (1291734256).

Almost surely, 2^4521069889 is an apocalyptic number.

It is an amenable number.

4521069889 is a deficient number, since it is larger than the sum of its proper divisors (645867135).

4521069889 is an equidigital number, since it uses as much as digits as its factorization.

4521069889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645867134.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 4521069889 is about 67238.9016046515. The cubic root of 4521069889 is about 1653.5363259321.

The spelling of 4521069889 in words is "four billion, five hundred twenty-one million, sixty-nine thousand, eight hundred eighty-nine".