6945088669 has 4 divisors (see below), whose sum is σ = 6949358944. Its totient is φ = 6940818396.

The previous prime is 6945088637. The next prime is 6945088679. The reversal of 6945088669 is 9668805496.

6945088669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6945088669 - 2⁵ = 6945088637 is a prime.

It is a super-3 number, since 3×6945088669³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945088609) 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, 2132697 + ... + 2135950.

It is an arithmetic number, because the mean of its divisors is an integer number (1737339736).

Almost surely, 2^6945088669 is an apocalyptic number.

It is an amenable number.

6945088669 is a deficient number, since it is larger than the sum of its proper divisors (4270275).

6945088669 is a wasteful number, since it uses less digits than its factorization.

6945088669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270274.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The square root of 6945088669 is about 83337.1985910254. The cubic root of 6945088669 is about 1907.9160653399.

The spelling of 6945088669 in words is "six billion, nine hundred forty-five million, eighty-eight thousand, six hundred sixty-nine".