6545478303 has 96 divisors (see below), whose sum is σ = 12150250112. Its totient is φ = 3303244800.

The previous prime is 6545478281. The next prime is 6545478337. The reversal of 6545478303 is 3038745456.

6545478303 is a `hidden beast` number, since 6 + 545 + 4 + 78 + 30 + 3 = 666.

It is not a de Polignac number, because 6545478303 - 2⁵ = 6545478271 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545478803) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1846713 + ... + 1850253.

Almost surely, 2^6545478303 is an apocalyptic number.

6545478303 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6545478303 is a deficient number, since it is larger than the sum of its proper divisors (5604771809).

6545478303 is a wasteful number, since it uses less digits than its factorization.

6545478303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 6545478303 is about 80904.1303210164. The cubic root of 6545478303 is about 1870.5979864755.

The spelling of 6545478303 in words is "six billion, five hundred forty-five million, four hundred seventy-eight thousand, three hundred three".