14687985636 has 45 divisors (see below), whose sum is σ = 38402999481. Its totient is φ = 4895268048.

The previous prime is 14687985629. The next prime is 14687985647. The reversal of 14687985636 is 63658978641.

The square root of 14687985636 is 121194.

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

14687985636 is a `hidden beast` number, since 1 + 4 + 68 + 7 + 9 + 8 + 563 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14609556900 + 78428736 = 120870^2 + 8856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2178126 + ... + 2184858.

Almost surely, 2^14687985636 is an apocalyptic number.

14687985636 is the 121194-th square number.

It is an amenable number.

14687985636 is an abundant number, since it is smaller than the sum of its proper divisors (23715013845).

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

14687985636 is an frugal number, since it uses more digits than its factorization.

14687985636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13482 (or 6738 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 14687985636 in words is "fourteen billion, six hundred eighty-seven million, nine hundred eighty-five thousand, six hundred thirty-six".