254792090065 has 4 divisors (see below), whose sum is σ = 305750508084. Its totient is φ = 203833672048.

The previous prime is 254792090027. The next prime is 254792090083. The reversal of 254792090065 is 560090297452.

254792090065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 108538620304 + 146253469761 = 329452^2 + 382431^2 .

It is a cyclic number.

It is not a de Polignac number, because 254792090065 - 2³³ = 246202155473 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25479209002 + ... + 25479209011.

It is an arithmetic number, because the mean of its divisors is an integer number (76437627021).

Almost surely, 2^254792090065 is an apocalyptic number.

It is an amenable number.

254792090065 is a deficient number, since it is larger than the sum of its proper divisors (50958418019).

254792090065 is an equidigital number, since it uses as much as digits as its factorization.

254792090065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50958418018.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 254792090065 in words is "two hundred fifty-four billion, seven hundred ninety-two million, ninety thousand, sixty-five".