253433333444345 has 8 divisors (see below), whose sum is σ = 322009411905864. Its totient is φ = 190820392240384.

The previous prime is 253433333444321. The next prime is 253433333444377. The reversal of 253433333444345 is 543444333334352.

It can be written as a sum of positive squares in 4 ways, for example, as 58055195404816 + 195378138039529 = 7619396^2 + 13977773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253433333444345 - 2³⁸ = 253158455537401 is a prime.

It is a super-3 number, since 3×253433333444345³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490784314294 + ... + 1490784314463.

It is an arithmetic number, because the mean of its divisors is an integer number (40251176488233).

Almost surely, 2^{253433333444345} is an apocalyptic number.

It is an amenable number.

253433333444345 is a deficient number, since it is larger than the sum of its proper divisors (68576078461519).

253433333444345 is a wasteful number, since it uses less digits than its factorization.

253433333444345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981568628779.

The product of its digits is 111974400, while the sum is 53.

Adding to 253433333444345 its reverse (543444333334352), we get a palindrome (796877666778697).

The spelling of 253433333444345 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, three hundred thirty-three million, four hundred forty-four thousand, three hundred forty-five".