6945401694 has 48 divisors (see below), whose sum is σ = 17449617024. Its totient is φ = 1803999120.

The previous prime is 6945401657. The next prime is 6945401699. The reversal of 6945401694 is 4961045496.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945401699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678252 + ... + 688415.

It is an arithmetic number, because the mean of its divisors is an integer number (363533688).

Almost surely, 2^6945401694 is an apocalyptic number.

6945401694 is an abundant number, since it is smaller than the sum of its proper divisors (10504215330).

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

6945401694 is a wasteful number, since it uses less digits than its factorization.

6945401694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366701 (or 1366690 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 6945401694 is about 83339.0766327537. The cubic root of 6945401694 is about 1907.9447290706.

The spelling of 6945401694 in words is "six billion, nine hundred forty-five million, four hundred one thousand, six hundred ninety-four".