2065026022621 has 2 divisors, whose sum is σ = 2065026022622. Its totient is φ = 2065026022620.

The previous prime is 2065026022597. The next prime is 2065026022649. The reversal of 2065026022621 is 1262206205602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1687310071225 + 377715951396 = 1298965^2 + 614586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065026022621 - 2¹⁵ = 2065025989853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065026022321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032513011310 + 1032513011311.

It is an arithmetic number, because the mean of its divisors is an integer number (1032513011311).

Almost surely, 2^{2065026022621} is an apocalyptic number.

It is an amenable number.

2065026022621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065026022621 is an equidigital number, since it uses as much as digits as its factorization.

2065026022621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 2065026022621 in words is "two trillion, sixty-five billion, twenty-six million, twenty-two thousand, six hundred twenty-one".