253441350243 has 12 divisors (see below), whose sum is σ = 381998557200. Its totient is φ = 161614773936.

The previous prime is 253441350233. The next prime is 253441350247. The reversal of 253441350243 is 342053144352.

253441350243 is a `hidden beast` number, since 25 + 3 + 4 + 41 + 350 + 243 = 666.

It is not a de Polignac number, because 253441350243 - 2¹⁰ = 253441349219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253441350198 and 253441350207.

It is not an unprimeable number, because it can be changed into a prime (253441350247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612176968 + ... + 612177381.

It is an arithmetic number, because the mean of its divisors is an integer number (31833213100).

Almost surely, 2^253441350243 is an apocalyptic number.

253441350243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253441350243 is a deficient number, since it is larger than the sum of its proper divisors (128557206957).

253441350243 is a wasteful number, since it uses less digits than its factorization.

253441350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224354378 (or 1224354375 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 253441350243 its reverse (342053144352), we get a palindrome (595494494595).

The spelling of 253441350243 in words is "two hundred fifty-three billion, four hundred forty-one million, three hundred fifty thousand, two hundred forty-three".