2026644602449 has 2 divisors, whose sum is σ = 2026644602450. Its totient is φ = 2026644602448.

The previous prime is 2026644602407. The next prime is 2026644602453. The reversal of 2026644602449 is 9442064466202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383211210000 + 643433392449 = 1176100^2 + 802143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026644602449 - 2⁹ = 2026644601937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2026644102449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013322301224 + 1013322301225.

It is an arithmetic number, because the mean of its divisors is an integer number (1013322301225).

Almost surely, 2^{2026644602449} is an apocalyptic number.

It is an amenable number.

2026644602449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026644602449 is an equidigital number, since it uses as much as digits as its factorization.

2026644602449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 2026644602449 in words is "two trillion, twenty-six billion, six hundred forty-four million, six hundred two thousand, four hundred forty-nine".