248906474859 has 64 divisors (see below), whose sum is σ = 386006777856. Its totient is φ = 139739416704.

The previous prime is 248906474857. The next prime is 248906474879. The reversal of 248906474859 is 958474609842.

It is not a de Polignac number, because 248906474859 - 2¹ = 248906474857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248906474859.

It is not an unprimeable number, because it can be changed into a prime (248906474857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158841894 + ... + 158843460.

It is an arithmetic number, because the mean of its divisors is an integer number (6031355904).

Almost surely, 2^248906474859 is an apocalyptic number.

248906474859 is a deficient number, since it is larger than the sum of its proper divisors (137100302997).

248906474859 is a wasteful number, since it uses less digits than its factorization.

248906474859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 248906474859 in words is "two hundred forty-eight billion, nine hundred six million, four hundred seventy-four thousand, eight hundred fifty-nine".