5431648437 has 12 divisors (see below), whose sum is σ = 7974333484. Its totient is φ = 3561736320.

The previous prime is 5431648423. The next prime is 5431648487. The reversal of 5431648437 is 7348461345.

5431648437 is a `hidden beast` number, since 54 + 3 + 164 + 8 + 437 = 666.

5431648437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 915002001 + 4516646436 = 30249^2 + 67206^2 .

It is not a de Polignac number, because 5431648437 - 2⁷ = 5431648309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5431648392 and 5431648401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431648487) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4946308 + ... + 4947405.

Almost surely, 2^5431648437 is an apocalyptic number.

It is an amenable number.

5431648437 is a deficient number, since it is larger than the sum of its proper divisors (2542685047).

5431648437 is a wasteful number, since it uses less digits than its factorization.

5431648437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893780 (or 9893777 counting only the distinct ones).

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

The square root of 5431648437 is about 73699.7180252408. The cubic root of 5431648437 is about 1757.8313980968.

The spelling of 5431648437 in words is "five billion, four hundred thirty-one million, six hundred forty-eight thousand, four hundred thirty-seven".