6491052011 has 2 divisors, whose sum is σ = 6491052012. Its totient is φ = 6491052010.

The previous prime is 6491051989. The next prime is 6491052037. The reversal of 6491052011 is 1102501946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6491052011 - 2¹⁰ = 6491050987 is a prime.

It is not a weakly prime, because it can be changed into another prime (6491052611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245526005 + 3245526006.

It is an arithmetic number, because the mean of its divisors is an integer number (3245526006).

Almost surely, 2^6491052011 is an apocalyptic number.

6491052011 is a deficient number, since it is larger than the sum of its proper divisors (1).

6491052011 is an equidigital number, since it uses as much as digits as its factorization.

6491052011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 6491052011 is about 80567.0652996620. The cubic root of 6491052011 is about 1865.3988141496.

Adding to 6491052011 its reverse (1102501946), we get a palindrome (7593553957).

The spelling of 6491052011 in words is "six billion, four hundred ninety-one million, fifty-two thousand, eleven".