6651341354531 has 2 divisors, whose sum is σ = 6651341354532. Its totient is φ = 6651341354530.

The previous prime is 6651341354509. The next prime is 6651341354681. The reversal of 6651341354531 is 1354531431566.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6651341354531 is a prime.

It is a super-2 number, since 2×6651341354531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6651341350531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325670677265 + 3325670677266.

It is an arithmetic number, because the mean of its divisors is an integer number (3325670677266).

Almost surely, 2^{6651341354531} is an apocalyptic number.

6651341354531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651341354531 is an equidigital number, since it uses as much as digits as its factorization.

6651341354531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944000, while the sum is 47.

The spelling of 6651341354531 in words is "six trillion, six hundred fifty-one billion, three hundred forty-one million, three hundred fifty-four thousand, five hundred thirty-one".