6940545873 has 4 divisors (see below), whose sum is σ = 9254061168. Its totient is φ = 4627030580.

The previous prime is 6940545847. The next prime is 6940545893. The reversal of 6940545873 is 3785450496.

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 6940545873 - 2⁵ = 6940545841 is a prime.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (6940545893) 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, 1156757643 + ... + 1156757648.

It is an arithmetic number, because the mean of its divisors is an integer number (2313515292).

Almost surely, 2^6940545873 is an apocalyptic number.

It is an amenable number.

6940545873 is a deficient number, since it is larger than the sum of its proper divisors (2313515295).

6940545873 is a wasteful number, since it uses less digits than its factorization.

6940545873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313515294.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 6940545873 is about 83309.9386207912. The cubic root of 6940545873 is about 1907.4999840711.

The spelling of 6940545873 in words is "six billion, nine hundred forty million, five hundred forty-five thousand, eight hundred seventy-three".