33243241247 has 2 divisors, whose sum is σ = 33243241248. Its totient is φ = 33243241246.

The previous prime is 33243241231. The next prime is 33243241267. The reversal of 33243241247 is 74214234233.

It is a weak prime.

It is an emirp because it is prime and its reverse (74214234233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33243241247 - 2⁴ = 33243241231 is a prime.

It is a super-2 number, since 2×33243241247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33243241217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621620623 + 16621620624.

It is an arithmetic number, because the mean of its divisors is an integer number (16621620624).

Almost surely, 2^33243241247 is an apocalyptic number.

33243241247 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243241247 is an equidigital number, since it uses as much as digits as its factorization.

33243241247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 35.

The spelling of 33243241247 in words is "thirty-three billion, two hundred forty-three million, two hundred forty-one thousand, two hundred forty-seven".