14947694064 has 90 divisors (see below), whose sum is σ = 42878674488. Its totient is φ = 4860960000.

The previous prime is 14947694059. The next prime is 14947694077. The reversal of 14947694064 is 46049674941.

14947694064 is a `hidden beast` number, since 1 + 494 + 7 + 6 + 94 + 0 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 14947694064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 211189 + ... + 272939.

Almost surely, 2^14947694064 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 14947694064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21439337244).

14947694064 is an abundant number, since it is smaller than the sum of its proper divisors (27930980424).

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

14947694064 is a wasteful number, since it uses less digits than its factorization.

14947694064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61847 (or 61797 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 14947694064 in words is "fourteen billion, nine hundred forty-seven million, six hundred ninety-four thousand, sixty-four".