253834363438353 has 24 divisors (see below), whose sum is σ = 380229997737408. Its totient is φ = 169222577166864.

The previous prime is 253834363438309. The next prime is 253834363438363. The reversal of 253834363438353 is 353834363438352.

It is a happy number.

253834363438353 is a `hidden beast` number, since 2 + 5 + 3 + 83 + 436 + 3 + 43 + 83 + 5 + 3 = 666.

It is not a de Polignac number, because 253834363438353 - 2⁹ = 253834363437841 is a prime.

It is a super-3 number, since 3×253834363438353³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (253834363438363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232754700 + ... + 233842722.

It is an arithmetic number, because the mean of its divisors is an integer number (15842916572392).

Almost surely, 2^{253834363438353} is an apocalyptic number.

It is an amenable number.

253834363438353 is a deficient number, since it is larger than the sum of its proper divisors (126395634299055).

253834363438353 is an equidigital number, since it uses as much as digits as its factorization.

253834363438353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048115 (or 2048103 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 63.

Subtracting 253834363438353 from its reverse (353834363438352), we obtain a palindrome (99999999999999).

The spelling of 253834363438353 in words is "two hundred fifty-three trillion, eight hundred thirty-four billion, three hundred sixty-three million, four hundred thirty-eight thousand, three hundred fifty-three".