40233433076489 has 2 divisors, whose sum is σ = 40233433076490. Its totient is φ = 40233433076488.

The previous prime is 40233433076437. The next prime is 40233433076519. The reversal of 40233433076489 is 98467033433204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37600602316489 + 2632830760000 = 6131933^2 + 1622600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40233433076489 is a prime.

It is not a weakly prime, because it can be changed into another prime (40233433076789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116716538244 + 20116716538245.

It is an arithmetic number, because the mean of its divisors is an integer number (20116716538245).

Almost surely, 2^{40233433076489} is an apocalyptic number.

It is an amenable number.

40233433076489 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233433076489 is an equidigital number, since it uses as much as digits as its factorization.

40233433076489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 56.

The spelling of 40233433076489 in words is "forty trillion, two hundred thirty-three billion, four hundred thirty-three million, seventy-six thousand, four hundred eighty-nine".