254705616005 has 4 divisors (see below), whose sum is σ = 305646739212. Its totient is φ = 203764492800.

The previous prime is 254705615993. The next prime is 254705616019. The reversal of 254705616005 is 500616507452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50909348161 + 203796267844 = 225631^2 + 451438^2 .

It is a de Polignac number, because none of the positive numbers 2^k-254705616005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25470561596 + ... + 25470561605.

It is an arithmetic number, because the mean of its divisors is an integer number (76411684803).

Almost surely, 2^254705616005 is an apocalyptic number.

It is an amenable number.

254705616005 is a deficient number, since it is larger than the sum of its proper divisors (50941123207).

254705616005 is an equidigital number, since it uses as much as digits as its factorization.

254705616005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50941123206.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 254705616005 in words is "two hundred fifty-four billion, seven hundred five million, six hundred sixteen thousand, five".