6339754568648 has 8 divisors (see below), whose sum is σ = 11887039816230. Its totient is φ = 3169877284320.

The previous prime is 6339754568647. The next prime is 6339754568669. The reversal of 6339754568648 is 8468654579336.

It can be written as a sum of positive squares in only one way, i.e., 6318074362084 + 21680206564 = 2513578^2 + 147242^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6339754568647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396234660533 + ... + 396234660548.

Almost surely, 2^{6339754568648} is an apocalyptic number.

It is an amenable number.

6339754568648 is a deficient number, since it is larger than the sum of its proper divisors (5547285247582).

6339754568648 is a wasteful number, since it uses less digits than its factorization.

6339754568648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792469321087 (or 792469321083 counting only the distinct ones).

The product of its digits is 3135283200, while the sum is 74.

The spelling of 6339754568648 in words is "six trillion, three hundred thirty-nine billion, seven hundred fifty-four million, five hundred sixty-eight thousand, six hundred forty-eight".