254106644343 has 16 divisors (see below), whose sum is σ = 344576643840. Its totient is φ = 166520958464.

The previous prime is 254106644329. The next prime is 254106644369. The reversal of 254106644343 is 343446601452.

It is a cyclic number.

It is not a de Polignac number, because 254106644343 - 2³² = 249811677047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254106644295 and 254106644304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254106644243) 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, 2805655 + ... + 2894807.

It is an arithmetic number, because the mean of its divisors is an integer number (21536040240).

Almost surely, 2^254106644343 is an apocalyptic number.

254106644343 is a deficient number, since it is larger than the sum of its proper divisors (90469999497).

254106644343 is a wasteful number, since it uses less digits than its factorization.

254106644343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105318.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 254106644343 in words is "two hundred fifty-four billion, one hundred six million, six hundred forty-four thousand, three hundred forty-three".