254350202345553 has 4 divisors (see below), whose sum is σ = 339133603127408. Its totient is φ = 169566801563700.

The previous prime is 254350202345539. The next prime is 254350202345557. The reversal of 254350202345553 is 355543202053452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 254350202345553 - 2⁸ = 254350202345297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (254350202345557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42391700390923 + ... + 42391700390928.

It is an arithmetic number, because the mean of its divisors is an integer number (84783400781852).

Almost surely, 2^{254350202345553} is an apocalyptic number.

It is an amenable number.

254350202345553 is a deficient number, since it is larger than the sum of its proper divisors (84783400781855).

254350202345553 is an equidigital number, since it uses as much as digits as its factorization.

254350202345553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84783400781854.

The product of its (nonzero) digits is 10800000, while the sum is 48.

The spelling of 254350202345553 in words is "two hundred fifty-four trillion, three hundred fifty billion, two hundred two million, three hundred forty-five thousand, five hundred fifty-three".