253662466444259 has 4 divisors (see below), whose sum is σ = 253662726314304. Its totient is φ = 253662206574216.

The previous prime is 253662466444213. The next prime is 253662466444267. The reversal of 253662466444259 is 952444664266352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253662466444259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253662466444459) 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, 128465312 + ... + 130424925.

It is an arithmetic number, because the mean of its divisors is an integer number (63415681578576).

Almost surely, 2^{253662466444259} is an apocalyptic number.

253662466444259 is a deficient number, since it is larger than the sum of its proper divisors (259870045).

253662466444259 is an equidigital number, since it uses as much as digits as its factorization.

253662466444259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259870044.

The product of its digits is 1791590400, while the sum is 68.

The spelling of 253662466444259 in words is "two hundred fifty-three trillion, six hundred sixty-two billion, four hundred sixty-six million, four hundred forty-four thousand, two hundred fifty-nine".