35662206215021 has 2 divisors, whose sum is σ = 35662206215022. Its totient is φ = 35662206215020.

The previous prime is 35662206215011. The next prime is 35662206215137. The reversal of 35662206215021 is 12051260226653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34832128515625 + 830077699396 = 5901875^2 + 911086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35662206215021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35662206215021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35662206215011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17831103107510 + 17831103107511.

It is an arithmetic number, because the mean of its divisors is an integer number (17831103107511).

Almost surely, 2^{35662206215021} is an apocalyptic number.

It is an amenable number.

35662206215021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35662206215021 is an equidigital number, since it uses as much as digits as its factorization.

35662206215021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 35662206215021 in words is "thirty-five trillion, six hundred sixty-two billion, two hundred six million, two hundred fifteen thousand, twenty-one".