6091626649 has 2 divisors, whose sum is σ = 6091626650. Its totient is φ = 6091626648.

The previous prime is 6091626641. The next prime is 6091626661. The reversal of 6091626649 is 9466261906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5209952400 + 881674249 = 72180^2 + 29693^2 .

It is a cyclic number.

It is not a de Polignac number, because 6091626649 - 2³ = 6091626641 is a prime.

It is not a weakly prime, because it can be changed into another prime (6091626641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3045813324 + 3045813325.

It is an arithmetic number, because the mean of its divisors is an integer number (3045813325).

Almost surely, 2^6091626649 is an apocalyptic number.

It is an amenable number.

6091626649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6091626649 is an equidigital number, since it uses as much as digits as its factorization.

6091626649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 6091626649 is about 78048.8734640033. The cubic root of 6091626649 is about 1826.3237183431.

The spelling of 6091626649 in words is "six billion, ninety-one million, six hundred twenty-six thousand, six hundred forty-nine".