6231538648 has 8 divisors (see below), whose sum is σ = 11684134980. Its totient is φ = 3115769320.

The previous prime is 6231538619. The next prime is 6231538681. The reversal of 6231538648 is 8468351326.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6231538598 and 6231538607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389471158 + ... + 389471173.

Almost surely, 2^6231538648 is an apocalyptic number.

It is an amenable number.

6231538648 is a deficient number, since it is larger than the sum of its proper divisors (5452596332).

6231538648 is a wasteful number, since it uses less digits than its factorization.

6231538648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778942337 (or 778942333 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 6231538648 is about 78940.0953128383. The cubic root of 6231538648 is about 1840.2003019184.

The spelling of 6231538648 in words is "six billion, two hundred thirty-one million, five hundred thirty-eight thousand, six hundred forty-eight".