248445795891 has 16 divisors (see below), whose sum is σ = 335818854176. Its totient is φ = 163351904256.

The previous prime is 248445795889. The next prime is 248445795893. The reversal of 248445795891 is 198597544842.

It is an interprime number because it is at equal distance from previous prime (248445795889) and next prime (248445795893).

It is not a de Polignac number, because 248445795891 - 2¹ = 248445795889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248445795893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6962391 + ... + 6997983.

It is an arithmetic number, because the mean of its divisors is an integer number (20988678386).

Almost surely, 2^248445795891 is an apocalyptic number.

248445795891 is a deficient number, since it is larger than the sum of its proper divisors (87373058285).

248445795891 is a wasteful number, since it uses less digits than its factorization.

248445795891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67542.

The product of its digits is 116121600, while the sum is 66.

The spelling of 248445795891 in words is "two hundred forty-eight billion, four hundred forty-five million, seven hundred ninety-five thousand, eight hundred ninety-one".