6858870633 has 6 divisors (see below), whose sum is σ = 9907257594. Its totient is φ = 4572580416.

The previous prime is 6858870619. The next prime is 6858870637. The reversal of 6858870633 is 3360788586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3761614224 + 3097256409 = 61332^2 + 55653^2 .

It is not a de Polignac number, because 6858870633 - 2⁹ = 6858870121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6858870633.

It is not an unprimeable number, because it can be changed into a prime (6858870637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381048360 + ... + 381048377.

It is an arithmetic number, because the mean of its divisors is an integer number (1651209599).

Almost surely, 2^6858870633 is an apocalyptic number.

It is an amenable number.

6858870633 is a deficient number, since it is larger than the sum of its proper divisors (3048386961).

6858870633 is a wasteful number, since it uses less digits than its factorization.

6858870633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762096743 (or 762096740 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 6858870633 is about 82818.2989018731. The cubic root of 6858870633 is about 1899.9880546802.

The spelling of 6858870633 in words is "six billion, eight hundred fifty-eight million, eight hundred seventy thousand, six hundred thirty-three".