6627246091 has 2 divisors, whose sum is σ = 6627246092. Its totient is φ = 6627246090.

The previous prime is 6627246077. The next prime is 6627246161. The reversal of 6627246091 is 1906427266.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6627246091 - 2¹⁵ = 6627213323 is a prime.

It is not a weakly prime, because it can be changed into another prime (6627246001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313623045 + 3313623046.

It is an arithmetic number, because the mean of its divisors is an integer number (3313623046).

Almost surely, 2^6627246091 is an apocalyptic number.

6627246091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6627246091 is an equidigital number, since it uses as much as digits as its factorization.

6627246091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 6627246091 is about 81407.8994385680. The cubic root of 6627246091 is about 1878.3551036851.

The spelling of 6627246091 in words is "six billion, six hundred twenty-seven million, two hundred forty-six thousand, ninety-one".