5463939968 has 64 divisors (see below), whose sum is σ = 11427264000. Its totient is φ = 2598919680.

The previous prime is 5463939947. The next prime is 5463940087. The reversal of 5463939968 is 8699393645.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 5463939968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222443 + ... + 245781.

It is an arithmetic number, because the mean of its divisors is an integer number (178551000).

Almost surely, 2^5463939968 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 5463939968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713632000).

5463939968 is an abundant number, since it is smaller than the sum of its proper divisors (5963324032).

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

5463939968 is a wasteful number, since it uses less digits than its factorization.

5463939968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443 (or 23431 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 62.

The square root of 5463939968 is about 73918.4683824009. The cubic root of 5463939968 is about 1761.3079946275.

The spelling of 5463939968 in words is "five billion, four hundred sixty-three million, nine hundred thirty-nine thousand, nine hundred sixty-eight".