248974054729 has 3 divisors (see below), whose sum is σ = 248974553703. Its totient is φ = 248973555756.

The previous prime is 248974054691. The next prime is 248974054739. The reversal of 248974054729 is 927450479842.

The square root of 248974054729 is 498973.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7841988025 + 241132066704 = 88555^2 + 491052^2 .

It is a de Polignac number, because none of the positive numbers 2^k-248974054729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248974054739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 249487 + ... + 748459.

It is an arithmetic number, because the mean of its divisors is an integer number (82991517901).

Almost surely, 2^248974054729 is an apocalyptic number.

248974054729 is the 498973-rd square number.

248974054729 is the 249487-th centered octagonal number.

It is an amenable number.

248974054729 is a deficient number, since it is larger than the sum of its proper divisors (498974).

248974054729 is an frugal number, since it uses more digits than its factorization.

248974054729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997946 (or 498973 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 248974054729 in words is "two hundred forty-eight billion, nine hundred seventy-four million, fifty-four thousand, seven hundred twenty-nine".