6541073147 has 4 divisors (see below), whose sum is σ = 7475512176. Its totient is φ = 5606634120.

The previous prime is 6541073141. The next prime is 6541073159. The reversal of 6541073147 is 7413701456.

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 6541073147 - 2⁴ = 6541073131 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 6541073147.

It is not an unprimeable number, because it can be changed into a prime (6541073141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467219504 + ... + 467219517.

It is an arithmetic number, because the mean of its divisors is an integer number (1868878044).

Almost surely, 2^6541073147 is an apocalyptic number.

6541073147 is a deficient number, since it is larger than the sum of its proper divisors (934439029).

6541073147 is an equidigital number, since it uses as much as digits as its factorization.

6541073147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934439028.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 6541073147 is about 80876.9011955824. The cubic root of 6541073147 is about 1870.1782501403.

The spelling of 6541073147 in words is "six billion, five hundred forty-one million, seventy-three thousand, one hundred forty-seven".