248445445709 has 16 divisors (see below), whose sum is σ = 257463360000. Its totient is φ = 239578843056.

The previous prime is 248445445681. The next prime is 248445445739. The reversal of 248445445709 is 907544544842.

It is a cyclic number.

It is not a de Polignac number, because 248445445709 - 2²⁸ = 248177010253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248445445739) 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 15 ways as a sum of consecutive naturals, for example, 5326712 + ... + 5373150.

It is an arithmetic number, because the mean of its divisors is an integer number (16091460000).

Almost surely, 2^248445445709 is an apocalyptic number.

It is an amenable number.

248445445709 is a deficient number, since it is larger than the sum of its proper divisors (9017914291).

248445445709 is a wasteful number, since it uses less digits than its factorization.

248445445709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48064.

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 248445445709 in words is "two hundred forty-eight billion, four hundred forty-five million, four hundred forty-five thousand, seven hundred nine".