6487241329 has 2 divisors, whose sum is σ = 6487241330. Its totient is φ = 6487241328.

The previous prime is 6487241297. The next prime is 6487241347. The reversal of 6487241329 is 9231427846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6396000625 + 91240704 = 79975^2 + 9552^2 .

It is a cyclic number.

It is not a de Polignac number, because 6487241329 - 2⁵ = 6487241297 is a prime.

It is not a weakly prime, because it can be changed into another prime (6487241389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243620664 + 3243620665.

It is an arithmetic number, because the mean of its divisors is an integer number (3243620665).

Almost surely, 2^6487241329 is an apocalyptic number.

It is an amenable number.

6487241329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6487241329 is an equidigital number, since it uses as much as digits as its factorization.

6487241329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 6487241329 is about 80543.4126977495. The cubic root of 6487241329 is about 1865.0337047051.

The spelling of 6487241329 in words is "six billion, four hundred eighty-seven million, two hundred forty-one thousand, three hundred twenty-nine".