6348090521 has 2 divisors, whose sum is σ = 6348090522. Its totient is φ = 6348090520.

The previous prime is 6348090509. The next prime is 6348090533. The reversal of 6348090521 is 1250908436.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (6348090509) and next prime (6348090533).

It can be written as a sum of positive squares in only one way, i.e., 3913753600 + 2434336921 = 62560^2 + 49339^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348090521 - 2¹⁰ = 6348089497 is a prime.

It is not a weakly prime, because it can be changed into another prime (6348090571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174045260 + 3174045261.

It is an arithmetic number, because the mean of its divisors is an integer number (3174045261).

Almost surely, 2^6348090521 is an apocalyptic number.

It is an amenable number.

6348090521 is a deficient number, since it is larger than the sum of its proper divisors (1).

6348090521 is an equidigital number, since it uses as much as digits as its factorization.

6348090521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6348090521 is about 79674.9052148793. The cubic root of 6348090521 is about 1851.6022662391.

Adding to 6348090521 its reverse (1250908436), we get a palindrome (7598998957).

The spelling of 6348090521 in words is "six billion, three hundred forty-eight million, ninety thousand, five hundred twenty-one".