254743287841 has 9 divisors (see below), whose sum is σ = 296338138641. Its totient is φ = 218348361252.

The previous prime is 254743287839. The next prime is 254743287857. The reversal of 254743287841 is 148782347452.

The square root of 254743287841 is 504721.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 254743287841 - 2¹ = 254743287839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254743287541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3496996 + ... + 3569098.

It is an arithmetic number, because the mean of its divisors is an integer number (32926459849).

Almost surely, 2^254743287841 is an apocalyptic number.

254743287841 is the 504721-st square number.

254743287841 is the 252361-st centered octagonal number.

It is an amenable number.

254743287841 is a deficient number, since it is larger than the sum of its proper divisors (41594850800).

254743287841 is an frugal number, since it uses more digits than its factorization.

254743287841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144220 (or 72110 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 55.

The spelling of 254743287841 in words is "two hundred fifty-four billion, seven hundred forty-three million, two hundred eighty-seven thousand, eight hundred forty-one".