253313686313351 has 4 divisors (see below), whose sum is σ = 253399178616792. Its totient is φ = 253228194009912.

The previous prime is 253313686313279. The next prime is 253313686313383. The reversal of 253313686313351 is 153313686313352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253313686313351 - 2¹⁰ = 253313686312327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253313686313293 and 253313686313302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253313686315351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42746147276 + ... + 42746153201.

It is an arithmetic number, because the mean of its divisors is an integer number (63349794654198).

Almost surely, 2^{253313686313351} is an apocalyptic number.

253313686313351 is a deficient number, since it is larger than the sum of its proper divisors (85492303441).

253313686313351 is an equidigital number, since it uses as much as digits as its factorization.

253313686313351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85492303440.

The product of its digits is 10497600, while the sum is 53.

Subtracting from 253313686313351 its reverse (153313686313352), we obtain a palindrome (99999999999999).

The spelling of 253313686313351 in words is "two hundred fifty-three trillion, three hundred thirteen billion, six hundred eighty-six million, three hundred thirteen thousand, three hundred fifty-one".