5431648438 has 8 divisors (see below), whose sum is σ = 8428420080. Its totient is φ = 2622175080.

The previous prime is 5431648423. The next prime is 5431648487. The reversal of 5431648438 is 8348461345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46824498 + ... + 46824613.

It is an arithmetic number, because the mean of its divisors is an integer number (1053552510).

Almost surely, 2^5431648438 is an apocalyptic number.

5431648438 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5431648438 is a deficient number, since it is larger than the sum of its proper divisors (2996771642).

5431648438 is a wasteful number, since it uses less digits than its factorization.

5431648438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93649142.

The product of its digits is 1105920, while the sum is 46.

The square root of 5431648438 is about 73699.7180320251. The cubic root of 5431648438 is about 1757.8313982047.

The spelling of 5431648438 in words is "five billion, four hundred thirty-one million, six hundred forty-eight thousand, four hundred thirty-eight".