248458749089 has 4 divisors (see below), whose sum is σ = 248625166356. Its totient is φ = 248292331824.

The previous prime is 248458749053. The next prime is 248458749109. The reversal of 248458749089 is 980947854842.

248458749089 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 200696832064 + 47761917025 = 447992^2 + 218545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248458749089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248458749389) by changing a digit.

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, 83206394 + ... + 83209379.

It is an arithmetic number, because the mean of its divisors is an integer number (62156291589).

Almost surely, 2^248458749089 is an apocalyptic number.

It is an amenable number.

248458749089 is a deficient number, since it is larger than the sum of its proper divisors (166417267).

248458749089 is a wasteful number, since it uses less digits than its factorization.

248458749089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166417266.

The product of its (nonzero) digits is 185794560, while the sum is 68.

The spelling of 248458749089 in words is "two hundred forty-eight billion, four hundred fifty-eight million, seven hundred forty-nine thousand, eighty-nine".