3489918673 has 4 divisors (see below), whose sum is σ = 3490036848. Its totient is φ = 3489800500.

The previous prime is 3489918637. The next prime is 3489918697. The reversal of 3489918673 is 3768199843.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3768199843 = 37 ⋅101843239.

It is a cyclic number.

It is not a de Polignac number, because 3489918673 - 2¹⁷ = 3489787601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489918473) 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, 27798 + ... + 88048.

It is an arithmetic number, because the mean of its divisors is an integer number (872509212).

Almost surely, 2^3489918673 is an apocalyptic number.

It is an amenable number.

3489918673 is a deficient number, since it is larger than the sum of its proper divisors (118175).

3489918673 is an equidigital number, since it uses as much as digits as its factorization.

3489918673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118174.

The product of its digits is 7838208, while the sum is 58.

The square root of 3489918673 is about 59075.5336243355. The cubic root of 3489918673 is about 1516.8353294752.

The spelling of 3489918673 in words is "three billion, four hundred eighty-nine million, nine hundred eighteen thousand, six hundred seventy-three".