6091275649 has 2 divisors, whose sum is σ = 6091275650. Its totient is φ = 6091275648.

The previous prime is 6091275647. The next prime is 6091275703. The reversal of 6091275649 is 9465721906.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4997783025 + 1093492624 = 70695^2 + 33068^2 .

It is a cyclic number.

It is not a de Polignac number, because 6091275649 - 2¹ = 6091275647 is a prime.

Together with 6091275647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6091275647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3045637824 + 3045637825.

It is an arithmetic number, because the mean of its divisors is an integer number (3045637825).

Almost surely, 2^6091275649 is an apocalyptic number.

It is an amenable number.

6091275649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6091275649 is an equidigital number, since it uses as much as digits as its factorization.

6091275649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 6091275649 is about 78046.6248405400. The cubic root of 6091275649 is about 1826.2886400313.

The spelling of 6091275649 in words is "six billion, ninety-one million, two hundred seventy-five thousand, six hundred forty-nine".