10939486464 has 81 divisors (see below), whose sum is σ = 31555718103. Its totient is φ = 3644822016.

The previous prime is 10939486433. The next prime is 10939486471. The reversal of 10939486464 is 46468493901.

It is a happy number.

The square root of 10939486464 is 104592.

It is a perfect power (a square), and thus also a powerful number.

10939486464 is a `hidden beast` number, since 1 + 0 + 93 + 94 + 8 + 6 + 464 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 10939486464.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5019327 + ... + 5021505.

Almost surely, 2^10939486464 is an apocalyptic number.

10939486464 is the 104592-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10939486464

10939486464 is an abundant number, since it is smaller than the sum of its proper divisors (20616231639).

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

10939486464 is an frugal number, since it uses more digits than its factorization.

10939486464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 10939486464 in words is "ten billion, nine hundred thirty-nine million, four hundred eighty-six thousand, four hundred sixty-four".