6738779952 has 60 divisors (see below), whose sum is σ = 18866880240. Its totient is φ = 2245348224.

The previous prime is 6738779947. The next prime is 6738779963. The reversal of 6738779952 is 2599778376.

It is a super-2 number, since 2×6738779952² = 90822310482954244608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6738779952.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410853 + ... + 426939.

It is an arithmetic number, because the mean of its divisors is an integer number (314448004).

Almost surely, 2^6738779952 is an apocalyptic number.

It is an amenable number.

6738779952 is an abundant number, since it is smaller than the sum of its proper divisors (12128100288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6738779952 is a wasteful number, since it uses less digits than its factorization.

6738779952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010 (or 19001 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The square root of 6738779952 is about 82090.0721890290. The cubic root of 6738779952 is about 1888.8338552475.

The spelling of 6738779952 in words is "six billion, seven hundred thirty-eight million, seven hundred seventy-nine thousand, nine hundred fifty-two".