6325661447 has 4 divisors (see below), whose sum is σ = 7229327376. Its totient is φ = 5421995520.

The previous prime is 6325661437. The next prime is 6325661449. The reversal of 6325661447 is 7441665236.

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 6325661447 - 2⁸ = 6325661191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6325661398 and 6325661407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6325661449) 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, 451832954 + ... + 451832967.

It is an arithmetic number, because the mean of its divisors is an integer number (1807331844).

Almost surely, 2^6325661447 is an apocalyptic number.

6325661447 is a deficient number, since it is larger than the sum of its proper divisors (903665929).

6325661447 is an equidigital number, since it uses as much as digits as its factorization.

6325661447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903665928.

The product of its digits is 725760, while the sum is 44.

The square root of 6325661447 is about 79534.0269758800. The cubic root of 6325661447 is about 1849.4189991456.

The spelling of 6325661447 in words is "six billion, three hundred twenty-five million, six hundred sixty-one thousand, four hundred forty-seven".