5431505205 has 48 divisors (see below), whose sum is σ = 10641343680. Its totient is φ = 2352284928.

The previous prime is 5431505197. The next prime is 5431505221. The reversal of 5431505205 is 5025051345.

It is a happy number.

It is not a de Polignac number, because 5431505205 - 2³ = 5431505197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180504 + ... + 208433.

It is an arithmetic number, because the mean of its divisors is an integer number (221694660).

Almost surely, 2^5431505205 is an apocalyptic number.

It is an amenable number.

5431505205 is a deficient number, since it is larger than the sum of its proper divisors (5209838475).

5431505205 is a wasteful number, since it uses less digits than its factorization.

5431505205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388978 (or 388971 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 5431505205 is about 73698.7462919146. The cubic root of 5431505205 is about 1757.8159466844.

The spelling of 5431505205 in words is "five billion, four hundred thirty-one million, five hundred five thousand, two hundred five".