19914852311236 has 27 divisors (see below), whose sum is σ = 36782107607469. Its totient is φ = 9433270767888.

The previous prime is 19914852311231. The next prime is 19914852311261. The reversal of 19914852311236 is 63211325841991.

The square root of 19914852311236 is 4462606.

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

It can be written as a sum of positive squares in only one way, i.e., 19138437562500 + 776414748736 = 4374750^2 + 881144^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19914852311231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 169520310 + ... + 169637746.

Almost surely, 2^{19914852311236} is an apocalyptic number.

19914852311236 is the 4462606-th square number.

It is an amenable number.

19914852311236 is a deficient number, since it is larger than the sum of its proper divisors (16867255296233).

19914852311236 is an frugal number, since it uses more digits than its factorization.

19914852311236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234916 (or 117458 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The spelling of 19914852311236 in words is "nineteen trillion, nine hundred fourteen billion, eight hundred fifty-two million, three hundred eleven thousand, two hundred thirty-six".