5431643203 has 4 divisors (see below), whose sum is σ = 6207592240. Its totient is φ = 4655694168.

The previous prime is 5431643153. The next prime is 5431643213. The reversal of 5431643203 is 3023461345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5431643203 - 2⁹ = 5431642691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431643213) 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, 387974508 + ... + 387974521.

It is an arithmetic number, because the mean of its divisors is an integer number (1551898060).

Almost surely, 2^5431643203 is an apocalyptic number.

5431643203 is a deficient number, since it is larger than the sum of its proper divisors (775949037).

5431643203 is an equidigital number, since it uses as much as digits as its factorization.

5431643203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775949036.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 5431643203 is about 73699.6825162768. The cubic root of 5431643203 is about 1757.8308334743.

The spelling of 5431643203 in words is "five billion, four hundred thirty-one million, six hundred forty-three thousand, two hundred three".