6654630511 has 2 divisors, whose sum is σ = 6654630512. Its totient is φ = 6654630510.

The previous prime is 6654630497. The next prime is 6654630527. The reversal of 6654630511 is 1150364566.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6654630511 is a prime.

It is a super-2 number, since 2×6654630511² = 88568214475864242242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6654630581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327315255 + 3327315256.

It is an arithmetic number, because the mean of its divisors is an integer number (3327315256).

Almost surely, 2^6654630511 is an apocalyptic number.

6654630511 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654630511 is an equidigital number, since it uses as much as digits as its factorization.

6654630511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6654630511 is about 81575.9186954091. The cubic root of 6654630511 is about 1880.9387298294.

The spelling of 6654630511 in words is "six billion, six hundred fifty-four million, six hundred thirty thousand, five hundred eleven".