3451744189 has 4 divisors (see below), whose sum is σ = 3453885756. Its totient is φ = 3449602624.

The previous prime is 3451744187. The next prime is 3451744223. The reversal of 3451744189 is 9814471543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1717688025 + 1734056164 = 41445^2 + 41642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451744189 - 2¹ = 3451744187 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 (3451744187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068364 + ... + 1071589.

It is an arithmetic number, because the mean of its divisors is an integer number (863471439).

Almost surely, 2^3451744189 is an apocalyptic number.

It is an amenable number.

3451744189 is a deficient number, since it is larger than the sum of its proper divisors (2141567).

3451744189 is a wasteful number, since it uses less digits than its factorization.

3451744189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141566.

The product of its digits is 483840, while the sum is 46.

The square root of 3451744189 is about 58751.5462690132. The cubic root of 3451744189 is about 1511.2844047425.

The spelling of 3451744189 in words is "three billion, four hundred fifty-one million, seven hundred forty-four thousand, one hundred eighty-nine".