6651206202247 has 2 divisors, whose sum is σ = 6651206202248. Its totient is φ = 6651206202246.

The previous prime is 6651206202181. The next prime is 6651206202269. The reversal of 6651206202247 is 7422026021566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6651206202247 - 2²³ = 6651197813639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6651206208247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325603101123 + 3325603101124.

It is an arithmetic number, because the mean of its divisors is an integer number (3325603101124).

Almost surely, 2^{6651206202247} is an apocalyptic number.

6651206202247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651206202247 is an equidigital number, since it uses as much as digits as its factorization.

6651206202247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 6651206202247 in words is "six trillion, six hundred fifty-one billion, two hundred six million, two hundred two thousand, two hundred forty-seven".