4394869691 has 8 divisors (see below), whose sum is σ = 4419105264. Its totient is φ = 4370688000.

The previous prime is 4394869681. The next prime is 4394869697. The reversal of 4394869691 is 1969684934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4394869691 - 2⁶ = 4394869627 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 4394869691.

It is not an unprimeable number, because it can be changed into a prime (4394869697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155915 + ... + 181931.

It is an arithmetic number, because the mean of its divisors is an integer number (552388158).

Almost surely, 2^4394869691 is an apocalyptic number.

4394869691 is a deficient number, since it is larger than the sum of its proper divisors (24235573).

4394869691 is a wasteful number, since it uses less digits than its factorization.

4394869691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26941.

The product of its digits is 10077696, while the sum is 59.

The square root of 4394869691 is about 66293.8133689713. The cubic root of 4394869691 is about 1638.0054190757.

The spelling of 4394869691 in words is "four billion, three hundred ninety-four million, eight hundred sixty-nine thousand, six hundred ninety-one".