42231633613249 has 2 divisors, whose sum is σ = 42231633613250. Its totient is φ = 42231633613248.

The previous prime is 42231633613193. The next prime is 42231633613271. The reversal of 42231633613249 is 94231633613224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22122507750849 + 20109125862400 = 4703457^2 + 4484320^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231633613249 - 2¹⁵ = 42231633580481 is a prime.

It is not a weakly prime, because it can be changed into another prime (42231433613249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115816806624 + 21115816806625.

It is an arithmetic number, because the mean of its divisors is an integer number (21115816806625).

Almost surely, 2^{42231633613249} is an apocalyptic number.

It is an amenable number.

42231633613249 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231633613249 is an equidigital number, since it uses as much as digits as its factorization.

42231633613249 is an evil number, because the sum of its binary digits is even.

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

The spelling of 42231633613249 in words is "forty-two trillion, two hundred thirty-one billion, six hundred thirty-three million, six hundred thirteen thousand, two hundred forty-nine".