6448629547 has 8 divisors (see below), whose sum is σ = 6600278960. Its totient is φ = 6297056640.

The previous prime is 6448629521. The next prime is 6448629569. The reversal of 6448629547 is 7459268446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6448629547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6448620547) 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, 174079 + ... + 207847.

It is an arithmetic number, because the mean of its divisors is an integer number (825034870).

Almost surely, 2^6448629547 is an apocalyptic number.

6448629547 is a deficient number, since it is larger than the sum of its proper divisors (151649413).

6448629547 is a wasteful number, since it uses less digits than its factorization.

6448629547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38253.

The product of its digits is 11612160, while the sum is 55.

The square root of 6448629547 is about 80303.3595000857. The cubic root of 6448629547 is about 1861.3261389978.

The spelling of 6448629547 in words is "six billion, four hundred forty-eight million, six hundred twenty-nine thousand, five hundred forty-seven".