545635003809 has 24 divisors (see below), whose sum is σ = 858922251168. Its totient is φ = 307137821760.

The previous prime is 545635003789. The next prime is 545635003861. The reversal of 545635003809 is 908300536545.

It is not a de Polignac number, because 545635003809 - 2²⁸ = 545366568353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545635005809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27690172 + ... + 27709869.

It is an arithmetic number, because the mean of its divisors is an integer number (35788427132).

Almost surely, 2^545635003809 is an apocalyptic number.

It is an amenable number.

545635003809 is a deficient number, since it is larger than the sum of its proper divisors (313287247359).

545635003809 is a wasteful number, since it uses less digits than its factorization.

545635003809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55400125 (or 55400118 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 545635003809 in words is "five hundred forty-five billion, six hundred thirty-five million, three thousand, eight hundred nine".