6904704991 has 8 divisors (see below), whose sum is σ = 7022134080. Its totient is φ = 6788026752.

The previous prime is 6904704959. The next prime is 6904704997. The reversal of 6904704991 is 1994074096.

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 6904704991 - 2⁵ = 6904704959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904704997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169150 + ... + 205963.

It is an arithmetic number, because the mean of its divisors is an integer number (877766760).

Almost surely, 2^6904704991 is an apocalyptic number.

6904704991 is a deficient number, since it is larger than the sum of its proper divisors (117429089).

6904704991 is a wasteful number, since it uses less digits than its factorization.

6904704991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375425.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 6904704991 is about 83094.5545207386. The cubic root of 6904704991 is about 1904.2108815008.

The spelling of 6904704991 in words is "six billion, nine hundred four million, seven hundred four thousand, nine hundred ninety-one".