6651374908963 has 2 divisors, whose sum is σ = 6651374908964. Its totient is φ = 6651374908962.

The previous prime is 6651374908943. The next prime is 6651374908987. The reversal of 6651374908963 is 3698094731566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6651374908963 - 2²⁵ = 6651341354531 is a prime.

It is not a weakly prime, because it can be changed into another prime (6651374908903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325687454481 + 3325687454482.

It is an arithmetic number, because the mean of its divisors is an integer number (3325687454482).

Almost surely, 2^{6651374908963} is an apocalyptic number.

6651374908963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651374908963 is an equidigital number, since it uses as much as digits as its factorization.

6651374908963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 6651374908963 in words is "six trillion, six hundred fifty-one billion, three hundred seventy-four million, nine hundred eight thousand, nine hundred sixty-three".