6904063946447 has 4 divisors (see below), whose sum is σ = 6927627304920. Its totient is φ = 6880500587976.

The previous prime is 6904063946419. The next prime is 6904063946467. The reversal of 6904063946447 is 7446493604096.

It is a happy number.

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 6904063946447 - 2²⁰ = 6904062897871 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 6904063946447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904063946467) 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, 11781678797 + ... + 11781679382.

It is an arithmetic number, because the mean of its divisors is an integer number (1731906826230).

Almost surely, 2^{6904063946447} is an apocalyptic number.

6904063946447 is a deficient number, since it is larger than the sum of its proper divisors (23563358473).

6904063946447 is a wasteful number, since it uses less digits than its factorization.

6904063946447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23563358472.

The product of its (nonzero) digits is 94058496, while the sum is 62.

The spelling of 6904063946447 in words is "six trillion, nine hundred four billion, sixty-three million, nine hundred forty-six thousand, four hundred forty-seven".