253669253343 has 16 divisors (see below), whose sum is σ = 369311709312. Its totient is φ = 153598004000.

The previous prime is 253669253317. The next prime is 253669253351. The reversal of 253669253343 is 343352966352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 253669253343 - 2³² = 249374286047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253669253303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486888 + ... + 3558893.

It is an arithmetic number, because the mean of its divisors is an integer number (23081981832).

Almost surely, 2^253669253343 is an apocalyptic number.

253669253343 is a deficient number, since it is larger than the sum of its proper divisors (115642455969).

253669253343 is a wasteful number, since it uses less digits than its factorization.

253669253343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046886.

The product of its digits is 10497600, while the sum is 51.

The spelling of 253669253343 in words is "two hundred fifty-three billion, six hundred sixty-nine million, two hundred fifty-three thousand, three hundred forty-three".