6894645441 has 4 divisors (see below), whose sum is σ = 9192860592. Its totient is φ = 4596430292.

The previous prime is 6894645421. The next prime is 6894645487. The reversal of 6894645441 is 1445464986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6894645441 - 2⁶ = 6894645377 is a prime.

It is a super-2 number, since 2×6894645441² = 95072271514204168962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6894645421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149107571 + ... + 1149107576.

It is an arithmetic number, because the mean of its divisors is an integer number (2298215148).

Almost surely, 2^6894645441 is an apocalyptic number.

It is an amenable number.

6894645441 is a deficient number, since it is larger than the sum of its proper divisors (2298215151).

6894645441 is a wasteful number, since it uses less digits than its factorization.

6894645441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298215150.

The product of its digits is 3317760, while the sum is 51.

The square root of 6894645441 is about 83034.0017161644. The cubic root of 6894645441 is about 1903.2856759216.

The spelling of 6894645441 in words is "six billion, eight hundred ninety-four million, six hundred forty-five thousand, four hundred forty-one".