3521673889 has 4 divisors (see below), whose sum is σ = 3521823424. Its totient is φ = 3521524356.

The previous prime is 3521673887. The next prime is 3521673901. The reversal of 3521673889 is 9883761253.

3521673889 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 3521673889 - 2¹ = 3521673887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521673887) 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, 30837 + ... + 89410.

It is an arithmetic number, because the mean of its divisors is an integer number (880455856).

Almost surely, 2^3521673889 is an apocalyptic number.

It is an amenable number.

3521673889 is a deficient number, since it is larger than the sum of its proper divisors (149535).

3521673889 is a wasteful number, since it uses less digits than its factorization.

3521673889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149534.

The product of its digits is 2177280, while the sum is 52.

The square root of 3521673889 is about 59343.6929167709. The cubic root of 3521673889 is about 1521.4220718619.

The spelling of 3521673889 in words is "three billion, five hundred twenty-one million, six hundred seventy-three thousand, eight hundred eighty-nine".