254689759349 has 8 divisors (see below), whose sum is σ = 258414952152. Its totient is φ = 250970952960.

The previous prime is 254689759327. The next prime is 254689759351. The reversal of 254689759349 is 943957986452.

It is a happy number.

254689759349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 53797555249 + 200892204100 = 231943^2 + 448210^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254689759349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254689759319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516232 + ... + 1675809.

It is an arithmetic number, because the mean of its divisors is an integer number (32301869019).

Almost surely, 2^254689759349 is an apocalyptic number.

It is an amenable number.

254689759349 is a deficient number, since it is larger than the sum of its proper divisors (3725192803).

254689759349 is a wasteful number, since it uses less digits than its factorization.

254689759349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193207.

The product of its digits is 587865600, while the sum is 71.

The spelling of 254689759349 in words is "two hundred fifty-four billion, six hundred eighty-nine million, seven hundred fifty-nine thousand, three hundred forty-nine".