6870644630 has 8 divisors (see below), whose sum is σ = 12367160352. Its totient is φ = 2748257848.

The previous prime is 6870644629. The next prime is 6870644687. The reversal of 6870644630 is 364460786.

It is a happy number.

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

It is a super-3 number, since 3×6870644630³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343532222 + ... + 343532241.

It is an arithmetic number, because the mean of its divisors is an integer number (1545895044).

Almost surely, 2^6870644630 is an apocalyptic number.

6870644630 is a deficient number, since it is larger than the sum of its proper divisors (5496515722).

6870644630 is a wasteful number, since it uses less digits than its factorization.

6870644630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687064470.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 6870644630 is about 82889.3517286750. The cubic root of 6870644630 is about 1901.0746118608.

The spelling of 6870644630 in words is "six billion, eight hundred seventy million, six hundred forty-four thousand, six hundred thirty".