248443445207 has 4 divisors (see below), whose sum is σ = 251004717936. Its totient is φ = 245882172480.

The previous prime is 248443445189. The next prime is 248443445221. The reversal of 248443445207 is 702544344842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248443445207 - 2¹² = 248443441111 is a prime.

It is a super-2 number, since 2×248443445207² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248443442207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280636219 + ... + 1280636412.

It is an arithmetic number, because the mean of its divisors is an integer number (62751179484).

Almost surely, 2^248443445207 is an apocalyptic number.

248443445207 is a deficient number, since it is larger than the sum of its proper divisors (2561272729).

248443445207 is an equidigital number, since it uses as much as digits as its factorization.

248443445207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561272728.

The product of its (nonzero) digits is 3440640, while the sum is 47.

The spelling of 248443445207 in words is "two hundred forty-eight billion, four hundred forty-three million, four hundred forty-five thousand, two hundred seven".