5431431659 has 4 divisors (see below), whose sum is σ = 5431767216. Its totient is φ = 5431096104.

The previous prime is 5431431653. The next prime is 5431431661. The reversal of 5431431659 is 9561341345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9561341345 = 5 ⋅1912268269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5431431659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431431653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142199 + ... + 176304.

It is an arithmetic number, because the mean of its divisors is an integer number (1357941804).

Almost surely, 2^5431431659 is an apocalyptic number.

5431431659 is a deficient number, since it is larger than the sum of its proper divisors (335557).

5431431659 is a wasteful number, since it uses less digits than its factorization.

5431431659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335556.

The product of its digits is 194400, while the sum is 41.

The square root of 5431431659 is about 73698.2473265138. The cubic root of 5431431659 is about 1757.8080126704.

The spelling of 5431431659 in words is "five billion, four hundred thirty-one million, four hundred thirty-one thousand, six hundred fifty-nine".