5421695768 has 8 divisors (see below), whose sum is σ = 10165679580. Its totient is φ = 2710847880.

The previous prime is 5421695761. The next prime is 5421695779. The reversal of 5421695768 is 8675961245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421695761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338855978 + ... + 338855993.

Almost surely, 2^5421695768 is an apocalyptic number.

It is an amenable number.

5421695768 is a deficient number, since it is larger than the sum of its proper divisors (4743983812).

5421695768 is a wasteful number, since it uses less digits than its factorization.

5421695768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677711977 (or 677711973 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The square root of 5421695768 is about 73632.1653083759. The cubic root of 5421695768 is about 1756.7570888352.

The spelling of 5421695768 in words is "five billion, four hundred twenty-one million, six hundred ninety-five thousand, seven hundred sixty-eight".