33343243457 has 2 divisors, whose sum is σ = 33343243458. Its totient is φ = 33343243456.

The previous prime is 33343243397. The next prime is 33343243477. The reversal of 33343243457 is 75434234333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33333995776 + 9247681 = 182576^2 + 3041^2 .

It is a cyclic number.

It is not a de Polignac number, because 33343243457 - 2⁸ = 33343243201 is a prime.

It is a super-2 number, since 2×33343243457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33343243477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16671621728 + 16671621729.

It is an arithmetic number, because the mean of its divisors is an integer number (16671621729).

Almost surely, 2^33343243457 is an apocalyptic number.

It is an amenable number.

33343243457 is a deficient number, since it is larger than the sum of its proper divisors (1).

33343243457 is an equidigital number, since it uses as much as digits as its factorization.

33343243457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 41.

The spelling of 33343243457 in words is "thirty-three billion, three hundred forty-three million, two hundred forty-three thousand, four hundred fifty-seven".