2268079921485 has 160 divisors (see below), whose sum is σ = 4961853388800. Its totient is φ = 968789445120.

The previous prime is 2268079921483. The next prime is 2268079921519. The reversal of 2268079921485 is 5841299708622.

2268079921485 is a `hidden beast` number, since 2 + 2 + 6 + 80 + 79 + 9 + 2 + 1 + 485 = 666.

It is not a de Polignac number, because 2268079921485 - 2¹ = 2268079921483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268079921483) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2103711 + ... + 2993619.

It is an arithmetic number, because the mean of its divisors is an integer number (31011583680).

Almost surely, 2^{2268079921485} is an apocalyptic number.

It is an amenable number.

2268079921485 is an abundant number, since it is smaller than the sum of its proper divisors (2693773467315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268079921485 is a wasteful number, since it uses less digits than its factorization.

2268079921485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889993 (or 889984 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 2268079921485 in words is "two trillion, two hundred sixty-eight billion, seventy-nine million, nine hundred twenty-one thousand, four hundred eighty-five".