5431648487 has 2 divisors, whose sum is σ = 5431648488. Its totient is φ = 5431648486.

The previous prime is 5431648423. The next prime is 5431648493. The reversal of 5431648487 is 7848461345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5431648487 - 2⁶ = 5431648423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5431641487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715824243 + 2715824244.

It is an arithmetic number, because the mean of its divisors is an integer number (2715824244).

Almost surely, 2^5431648487 is an apocalyptic number.

5431648487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431648487 is an equidigital number, since it uses as much as digits as its factorization.

5431648487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 50.

The square root of 5431648487 is about 73699.7183644551. The cubic root of 5431648487 is about 1757.8314034906.

The spelling of 5431648487 in words is "five billion, four hundred thirty-one million, six hundred forty-eight thousand, four hundred eighty-seven".