6545443094 has 16 divisors (see below), whose sum is σ = 9909858816. Its totient is φ = 3242232000.

The previous prime is 6545443087. The next prime is 6545443097. The reversal of 6545443094 is 4903445456.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545443097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159674 + ... + 196434.

It is an arithmetic number, because the mean of its divisors is an integer number (619366176).

Almost surely, 2^6545443094 is an apocalyptic number.

6545443094 is a deficient number, since it is larger than the sum of its proper divisors (3364415722).

6545443094 is a wasteful number, since it uses less digits than its factorization.

6545443094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37591.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The square root of 6545443094 is about 80903.9127236749. The cubic root of 6545443094 is about 1870.5946324042.

The spelling of 6545443094 in words is "six billion, five hundred forty-five million, four hundred forty-three thousand, ninety-four".