6545394370 has 64 divisors (see below), whose sum is σ = 12236935680. Its totient is φ = 2519292672.

The previous prime is 6545394311. The next prime is 6545394391. The reversal of 6545394370 is 734935456.

It is a self number, because there is not a number n which added to its sum of digits gives 6545394370.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7895116 + ... + 7895944.

It is an arithmetic number, because the mean of its divisors is an integer number (191202120).

Almost surely, 2^6545394370 is an apocalyptic number.

6545394370 is a deficient number, since it is larger than the sum of its proper divisors (5691541310).

6545394370 is a wasteful number, since it uses less digits than its factorization.

6545394370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The square root of 6545394370 is about 80903.6116004718. The cubic root of 6545394370 is about 1870.5899908504.

The spelling of 6545394370 in words is "six billion, five hundred forty-five million, three hundred ninety-four thousand, three hundred seventy".