2040526606621 has 2 divisors, whose sum is σ = 2040526606622. Its totient is φ = 2040526606620.

The previous prime is 2040526606571. The next prime is 2040526606663. The reversal of 2040526606621 is 1266066250402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1180669135396 + 859857471225 = 1086586^2 + 927285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040526606621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040526606721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020263303310 + 1020263303311.

It is an arithmetic number, because the mean of its divisors is an integer number (1020263303311).

Almost surely, 2^{2040526606621} is an apocalyptic number.

It is an amenable number.

2040526606621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040526606621 is an equidigital number, since it uses as much as digits as its factorization.

2040526606621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2040526606621 in words is "two trillion, forty billion, five hundred twenty-six million, six hundred six thousand, six hundred twenty-one".