3445918789 has 4 divisors (see below), whose sum is σ = 3447772300. Its totient is φ = 3444065280.

The previous prime is 3445918771. The next prime is 3445918799. The reversal of 3445918789 is 9878195443.

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 170302500 + 3275616289 = 13050^2 + 57233^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445918789 - 2⁹ = 3445918277 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 (3445918709) 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, 923964 + ... + 927685.

It is an arithmetic number, because the mean of its divisors is an integer number (861943075).

Almost surely, 2^3445918789 is an apocalyptic number.

It is an amenable number.

3445918789 is a deficient number, since it is larger than the sum of its proper divisors (1853511).

3445918789 is a wasteful number, since it uses less digits than its factorization.

3445918789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853510.

The product of its digits is 8709120, while the sum is 58.

The square root of 3445918789 is about 58701.9487666295. The cubic root of 3445918789 is about 1510.4337436477.

The spelling of 3445918789 in words is "three billion, four hundred forty-five million, nine hundred eighteen thousand, seven hundred eighty-nine".