254046265681 has 8 divisors (see below), whose sum is σ = 273735323624. Its totient is φ = 234378213120.

The previous prime is 254046265679. The next prime is 254046265709. The reversal of 254046265681 is 186562640452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54915235600 + 199131030081 = 234340^2 + 446241^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 254046265681 - 2¹ = 254046265679 is a prime.

It is a super-2 number, since 2×254046265681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254046265601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226216 + ... + 5274601.

It is an arithmetic number, because the mean of its divisors is an integer number (34216915453).

Almost surely, 2^254046265681 is an apocalyptic number.

It is an amenable number.

254046265681 is a deficient number, since it is larger than the sum of its proper divisors (19689057943).

254046265681 is a wasteful number, since it uses less digits than its factorization.

254046265681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502691.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 254046265681 in words is "two hundred fifty-four billion, forty-six million, two hundred sixty-five thousand, six hundred eighty-one".