6942018145 has 8 divisors (see below), whose sum is σ = 8351839080. Its totient is φ = 5539336320.

The previous prime is 6942018133. The next prime is 6942018151. The reversal of 6942018145 is 5418102496.

It can be written as a sum of positive squares in 4 ways, for example, as 1049306449 + 5892711696 = 32393^2 + 76764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6942018145 - 2²¹ = 6939920993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6942018098 and 6942018107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782636 + ... + 1786525.

It is an arithmetic number, because the mean of its divisors is an integer number (1043979885).

Almost surely, 2^6942018145 is an apocalyptic number.

It is an amenable number.

6942018145 is a deficient number, since it is larger than the sum of its proper divisors (1409820935).

6942018145 is a wasteful number, since it uses less digits than its factorization.

6942018145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569555.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 6942018145 is about 83318.7742648678. The cubic root of 6942018145 is about 1907.6348514775.

The spelling of 6942018145 in words is "six billion, nine hundred forty-two million, eighteen thousand, one hundred forty-five".