13242641233936 has 15 divisors (see below), whose sum is σ = 25657645593373. Its totient is φ = 6621313338880.

The previous prime is 13242641233903. The next prime is 13242641233981. The reversal of 13242641233936 is 63933214624231.

The square root of 13242641233936 is 3639044.

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., 1359453393936 + 11883187840000 = 1165956^2 + 3447200^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13242641233936.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14101296 + ... + 15011056.

Almost surely, 2^{13242641233936} is an apocalyptic number.

13242641233936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13242641233936 is the 3639044-th square number.

It is an amenable number.

13242641233936 is a deficient number, since it is larger than the sum of its proper divisors (12415004359437).

13242641233936 is an frugal number, since it uses more digits than its factorization.

13242641233936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819530 (or 909763 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 49.

Multiplying 13242641233936 by its sum of digits (49), we get a square (648889420462864 = 25473308²).

The spelling of 13242641233936 in words is "thirteen trillion, two hundred forty-two billion, six hundred forty-one million, two hundred thirty-three thousand, nine hundred thirty-six".