6454745547 has 8 divisors (see below), whose sum is σ = 8669147856. Its totient is φ = 4271753472.

The previous prime is 6454745537. The next prime is 6454745551. The reversal of 6454745547 is 7455474546.

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

It is not a de Polignac number, because 6454745547 - 2¹⁰ = 6454744523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6454745547.

It is not an unprimeable number, because it can be changed into a prime (6454745527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7852078 + ... + 7852899.

It is an arithmetic number, because the mean of its divisors is an integer number (1083643482).

Almost surely, 2^6454745547 is an apocalyptic number.

6454745547 is a deficient number, since it is larger than the sum of its proper divisors (2214402309).

6454745547 is a wasteful number, since it uses less digits than its factorization.

6454745547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15705117.

The product of its digits is 9408000, while the sum is 51.

The square root of 6454745547 is about 80341.4310738862. The cubic root of 6454745547 is about 1861.9143918241.

The spelling of 6454745547 in words is "six billion, four hundred fifty-four million, seven hundred forty-five thousand, five hundred forty-seven".