651222002663 has 2 divisors, whose sum is σ = 651222002664. Its totient is φ = 651222002662.

The previous prime is 651222002647. The next prime is 651222002689. The reversal of 651222002663 is 366200222156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651222002663 - 2⁴ = 651222002647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651222002603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325611001331 + 325611001332.

It is an arithmetic number, because the mean of its divisors is an integer number (325611001332).

Almost surely, 2^651222002663 is an apocalyptic number.

651222002663 is a deficient number, since it is larger than the sum of its proper divisors (1).

651222002663 is an equidigital number, since it uses as much as digits as its factorization.

651222002663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 651222002663 in words is "six hundred fifty-one billion, two hundred twenty-two million, two thousand, six hundred sixty-three".