6940846349 has 4 divisors (see below), whose sum is σ = 7012401564. Its totient is φ = 6869291136.

The previous prime is 6940846331. The next prime is 6940846379. The reversal of 6940846349 is 9436480496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2511012100 + 4429834249 = 50110^2 + 66557^2 .

It is a cyclic number.

It is not a de Polignac number, because 6940846349 - 2¹⁶ = 6940780813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6940846349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940846379) 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, 35777462 + ... + 35777655.

It is an arithmetic number, because the mean of its divisors is an integer number (1753100391).

Almost surely, 2^6940846349 is an apocalyptic number.

It is an amenable number.

6940846349 is a deficient number, since it is larger than the sum of its proper divisors (71555215).

6940846349 is an equidigital number, since it uses as much as digits as its factorization.

6940846349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71555214.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The square root of 6940846349 is about 83311.7419635432. The cubic root of 6940846349 is about 1907.5275107097.

The spelling of 6940846349 in words is "six billion, nine hundred forty million, eight hundred forty-six thousand, three hundred forty-nine".