6211971433648 has 10 divisors (see below), whose sum is σ = 12035694652724. Its totient is φ = 3105985716816.

The previous prime is 6211971433601. The next prime is 6211971433663. The reversal of 6211971433648 is 8463341791126.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194124107286 + ... + 194124107317.

Almost surely, 2^{6211971433648} is an apocalyptic number.

It is an amenable number.

6211971433648 is a deficient number, since it is larger than the sum of its proper divisors (5823723219076).

6211971433648 is a wasteful number, since it uses less digits than its factorization.

6211971433648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388248214611 (or 388248214605 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The spelling of 6211971433648 in words is "six trillion, two hundred eleven billion, nine hundred seventy-one million, four hundred thirty-three thousand, six hundred forty-eight".