6940560897 has 24 divisors (see below), whose sum is σ = 10420728864. Its totient is φ = 4616284608.

The previous prime is 6940560889. The next prime is 6940560919. The reversal of 6940560897 is 7980650496.

It is not a de Polignac number, because 6940560897 - 2³ = 6940560889 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6940560827) 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, 72238 + ... + 138200.

It is an arithmetic number, because the mean of its divisors is an integer number (434197036).

Almost surely, 2^6940560897 is an apocalyptic number.

It is an amenable number.

6940560897 is a deficient number, since it is larger than the sum of its proper divisors (3480167967).

6940560897 is an equidigital number, since it uses as much as digits as its factorization.

6940560897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66411 (or 66399 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 6940560897 is about 83310.0287900562. The cubic root of 6940560897 is about 1907.5013604402.

The spelling of 6940560897 in words is "six billion, nine hundred forty million, five hundred sixty thousand, eight hundred ninety-seven".