253009651343 has 4 divisors (see below), whose sum is σ = 253010761080. Its totient is φ = 253008541608.

The previous prime is 253009651327. The next prime is 253009651361. The reversal of 253009651343 is 343156900352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 253009651343 - 2⁴ = 253009651327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253009651343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253009611343) 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, 73928 + ... + 715181.

It is an arithmetic number, because the mean of its divisors is an integer number (63252690270).

Almost surely, 2^253009651343 is an apocalyptic number.

253009651343 is a deficient number, since it is larger than the sum of its proper divisors (1109737).

253009651343 is an equidigital number, since it uses as much as digits as its factorization.

253009651343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109736.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 253009651343 in words is "two hundred fifty-three billion, nine million, six hundred fifty-one thousand, three hundred forty-three".