6940345583 has 4 divisors (see below), whose sum is σ = 6941411568. Its totient is φ = 6939279600.

The previous prime is 6940345567. The next prime is 6940345589. The reversal of 6940345583 is 3855430496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6940345583 - 2⁴ = 6940345567 is a prime.

It is a super-2 number, since 2×6940345583² = 96336793622935219778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940345589) 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, 523166 + ... + 536267.

It is an arithmetic number, because the mean of its divisors is an integer number (1735352892).

Almost surely, 2^6940345583 is an apocalyptic number.

6940345583 is a deficient number, since it is larger than the sum of its proper divisors (1065985).

6940345583 is a wasteful number, since it uses less digits than its factorization.

6940345583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065984.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 6940345583 is about 83308.7365346516. The cubic root of 6940345583 is about 1907.4816350414.

The spelling of 6940345583 in words is "six billion, nine hundred forty million, three hundred forty-five thousand, five hundred eighty-three".