33333243345 has 12 divisors (see below), whose sum is σ = 57777621876. Its totient is φ = 17777729760.

The previous prime is 33333243337. The next prime is 33333243347. The reversal of 33333243345 is 54334233333.

It can be written as a sum of positive squares in 2 ways, for example, as 9251169489 + 24082073856 = 96183^2 + 155184^2 .

It is not a de Polignac number, because 33333243345 - 2³ = 33333243337 is a prime.

It is a super-2 number, since 2×33333243345² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33333243347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370369326 + ... + 370369415.

It is an arithmetic number, because the mean of its divisors is an integer number (4814801823).

Almost surely, 2^33333243345 is an apocalyptic number.

It is an amenable number.

33333243345 is a deficient number, since it is larger than the sum of its proper divisors (24444378531).

33333243345 is a wasteful number, since it uses less digits than its factorization.

33333243345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740738752 (or 740738749 counting only the distinct ones).

The product of its digits is 349920, while the sum is 36.

Adding to 33333243345 its reverse (54334233333), we get a palindrome (87667476678).

The spelling of 33333243345 in words is "thirty-three billion, three hundred thirty-three million, two hundred forty-three thousand, three hundred forty-five".