3489161887 has 4 divisors (see below), whose sum is σ = 3507240640. Its totient is φ = 3471083136.

The previous prime is 3489161873. The next prime is 3489161899. The reversal of 3489161887 is 7881619843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3489161887 - 2⁷ = 3489161759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489161867) 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, 9039087 + ... + 9039472.

It is an arithmetic number, because the mean of its divisors is an integer number (876810160).

Almost surely, 2^3489161887 is an apocalyptic number.

3489161887 is a deficient number, since it is larger than the sum of its proper divisors (18078753).

3489161887 is a wasteful number, since it uses less digits than its factorization.

3489161887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078752.

The product of its digits is 2322432, while the sum is 55.

The square root of 3489161887 is about 59069.1280365641. The cubic root of 3489161887 is about 1516.7256800502.

The spelling of 3489161887 in words is "three billion, four hundred eighty-nine million, one hundred sixty-one thousand, eight hundred eighty-seven".