5431436847 has 12 divisors (see below), whose sum is σ = 7858215144. Its totient is φ = 3615047280.

The previous prime is 5431436839. The next prime is 5431436861. The reversal of 5431436847 is 7486341345.

5431436847 is a `hidden beast` number, since 543 + 1 + 4 + 3 + 68 + 47 = 666.

5431436847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5431436847 - 2³ = 5431436839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431436827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486729 + ... + 497762.

It is an arithmetic number, because the mean of its divisors is an integer number (654851262).

Almost surely, 2^5431436847 is an apocalyptic number.

5431436847 is a deficient number, since it is larger than the sum of its proper divisors (2426778297).

5431436847 is a wasteful number, since it uses less digits than its factorization.

5431436847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985110 (or 985107 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 5431436847 is about 73698.2825240860. The cubic root of 5431436847 is about 1757.8085723451.

The spelling of 5431436847 in words is "five billion, four hundred thirty-one million, four hundred thirty-six thousand, eight hundred forty-seven".