6942617568 has 120 divisors (see below), whose sum is σ = 20443239432. Its totient is φ = 2311352064.

The previous prime is 6942617557. The next prime is 6942617579. The reversal of 6942617568 is 8657162496.

6942617568 is a `hidden beast` number, since 69 + 4 + 2 + 6 + 17 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (6942617557) and next prime (6942617579).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3697846 + ... + 3699722.

Almost surely, 2^6942617568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6942617568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10221619716).

6942617568 is an abundant number, since it is smaller than the sum of its proper divisors (13500621864).

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

6942617568 is a wasteful number, since it uses less digits than its factorization.

6942617568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3309 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 6942617568 is about 83322.3713536767. The cubic root of 6942617568 is about 1907.6897561307.

The spelling of 6942617568 in words is "six billion, nine hundred forty-two million, six hundred seventeen thousand, five hundred sixty-eight".