6133528649 has 2 divisors, whose sum is σ = 6133528650. Its totient is φ = 6133528648.

The previous prime is 6133528631. The next prime is 6133528663. The reversal of 6133528649 is 9468253316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3516490000 + 2617038649 = 59300^2 + 51157^2 .

It is a cyclic number.

It is not a de Polignac number, because 6133528649 - 2¹⁶ = 6133463113 is a prime.

It is not a weakly prime, because it can be changed into another prime (6133528669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3066764324 + 3066764325.

It is an arithmetic number, because the mean of its divisors is an integer number (3066764325).

Almost surely, 2^6133528649 is an apocalyptic number.

It is an amenable number.

6133528649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6133528649 is an equidigital number, since it uses as much as digits as its factorization.

6133528649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 6133528649 is about 78316.8477979036. The cubic root of 6133528649 is about 1830.5016838478.

The spelling of 6133528649 in words is "six billion, one hundred thirty-three million, five hundred twenty-eight thousand, six hundred forty-nine".