6942645328 has 10 divisors (see below), whose sum is σ = 13451375354. Its totient is φ = 3471322656.

The previous prime is 6942645319. The next prime is 6942645329. The reversal of 6942645328 is 8235462496.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6847231504 + 95413824 = 82748^2 + 9768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942645329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216957651 + ... + 216957682.

Almost surely, 2^6942645328 is an apocalyptic number.

It is an amenable number.

6942645328 is a deficient number, since it is larger than the sum of its proper divisors (6508730026).

6942645328 is a wasteful number, since it uses less digits than its factorization.

6942645328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433915341 (or 433915335 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 6942645328 is about 83322.5379354230. The cubic root of 6942645328 is about 1907.6922987546.

The spelling of 6942645328 in words is "six billion, nine hundred forty-two million, six hundred forty-five thousand, three hundred twenty-eight".