2626226464649 has 2 divisors, whose sum is σ = 2626226464650. Its totient is φ = 2626226464648.

The previous prime is 2626226464619. The next prime is 2626226464711. The reversal of 2626226464649 is 9464646226262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2593732797049 + 32493667600 = 1610507^2 + 180260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2626226464649 - 2¹⁶ = 2626226399113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2626226464619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313113232324 + 1313113232325.

It is an arithmetic number, because the mean of its divisors is an integer number (1313113232325).

Almost surely, 2^{2626226464649} is an apocalyptic number.

It is an amenable number.

2626226464649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2626226464649 is an equidigital number, since it uses as much as digits as its factorization.

2626226464649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71663616, while the sum is 59.

The spelling of 2626226464649 in words is "two trillion, six hundred twenty-six billion, two hundred twenty-six million, four hundred sixty-four thousand, six hundred forty-nine".