5148831409 has 2 divisors, whose sum is σ = 5148831410. Its totient is φ = 5148831408.

The previous prime is 5148831367. The next prime is 5148831427. The reversal of 5148831409 is 9041388415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2908229184 + 2240602225 = 53928^2 + 47335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5148831409 - 2¹⁹ = 5148307121 is a prime.

It is not a weakly prime, because it can be changed into another prime (5148834409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574415704 + 2574415705.

It is an arithmetic number, because the mean of its divisors is an integer number (2574415705).

Almost surely, 2^5148831409 is an apocalyptic number.

It is an amenable number.

5148831409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5148831409 is an equidigital number, since it uses as much as digits as its factorization.

5148831409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 5148831409 is about 71755.3580508104. The cubic root of 5148831409 is about 1726.7768748240.

The spelling of 5148831409 in words is "five billion, one hundred forty-eight million, eight hundred thirty-one thousand, four hundred nine".