6845275541 has 6 divisors (see below), whose sum is σ = 7412339970. Its totient is φ = 6318715728.

The previous prime is 6845275531. The next prime is 6845275543. The reversal of 6845275541 is 1455725486.

It can be written as a sum of positive squares in 3 ways, for example, as 1188100 + 6844087441 = 1090^2 + 82729^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6845275541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845275543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20252126 + ... + 20252463.

It is an arithmetic number, because the mean of its divisors is an integer number (1235389995).

Almost surely, 2^6845275541 is an apocalyptic number.

It is an amenable number.

6845275541 is a deficient number, since it is larger than the sum of its proper divisors (567064429).

6845275541 is a wasteful number, since it uses less digits than its factorization.

6845275541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40504615 (or 40504602 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The square root of 6845275541 is about 82736.1803626442. The cubic root of 6845275541 is about 1898.7318907538.

The spelling of 6845275541 in words is "six billion, eight hundred forty-five million, two hundred seventy-five thousand, five hundred forty-one".