6530621467 has 2 divisors, whose sum is σ = 6530621468. Its totient is φ = 6530621466.

The previous prime is 6530621411. The next prime is 6530621477. The reversal of 6530621467 is 7641260356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6530621467 - 2¹⁵ = 6530588699 is a prime.

It is not a weakly prime, because it can be changed into another prime (6530621477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265310733 + 3265310734.

It is an arithmetic number, because the mean of its divisors is an integer number (3265310734).

Almost surely, 2^6530621467 is an apocalyptic number.

6530621467 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530621467 is an equidigital number, since it uses as much as digits as its factorization.

6530621467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6530621467 is about 80812.2606230020. The cubic root of 6530621467 is about 1869.1816285236.

The spelling of 6530621467 in words is "six billion, five hundred thirty million, six hundred twenty-one thousand, four hundred sixty-seven".