5389525685664 has 72 divisors (see below), whose sum is σ = 15894110494080. Its totient is φ = 1796508559296.

The previous prime is 5389525685659. The next prime is 5389525685683. The reversal of 5389525685664 is 4665865259835.

It is a happy number.

5389525685664 is a `hidden beast` number, since 5 + 3 + 8 + 9 + 5 + 2 + 56 + 8 + 566 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 5389525685592 and 5389525685601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346540944 + ... + 346556495.

It is an arithmetic number, because the mean of its divisors is an integer number (220751534640).

Almost surely, 2^{5389525685664} is an apocalyptic number.

5389525685664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5389525685664 is an abundant number, since it is smaller than the sum of its proper divisors (10504584808416).

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

5389525685664 is an equidigital number, since it uses as much as digits as its factorization.

5389525685664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693097464 (or 693097444 counting only the distinct ones).

The product of its digits is 1866240000, while the sum is 72.

The spelling of 5389525685664 in words is "five trillion, three hundred eighty-nine billion, five hundred twenty-five million, six hundred eighty-five thousand, six hundred sixty-four".