6845481257289 has 16 divisors (see below), whose sum is σ = 9231275323392. Its totient is φ = 4511874140928.

The previous prime is 6845481257281. The next prime is 6845481257299. The reversal of 6845481257289 is 9827521845486.

It is not a de Polignac number, because 6845481257289 - 2³ = 6845481257281 is a prime.

It is a super-2 number, since 2×6845481257289² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6845481257281) 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, 25297609 + ... + 25566774.

It is an arithmetic number, because the mean of its divisors is an integer number (576954707712).

Almost surely, 2^{6845481257289} is an apocalyptic number.

It is an amenable number.

6845481257289 is a deficient number, since it is larger than the sum of its proper divisors (2385794066103).

6845481257289 is a wasteful number, since it uses less digits than its factorization.

6845481257289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50864896.

The product of its digits is 309657600, while the sum is 69.

The spelling of 6845481257289 in words is "six trillion, eight hundred forty-five billion, four hundred eighty-one million, two hundred fifty-seven thousand, two hundred eighty-nine".