35402145565021 has 2 divisors, whose sum is σ = 35402145565022. Its totient is φ = 35402145565020.

The previous prime is 35402145565001. The next prime is 35402145565049. The reversal of 35402145565021 is 12056554120453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19940341942521 + 15461803622500 = 4465461^2 + 3932150^2 .

It is a cyclic number.

It is not a de Polignac number, because 35402145565021 - 2⁹ = 35402145564509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35402145565001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17701072782510 + 17701072782511.

It is an arithmetic number, because the mean of its divisors is an integer number (17701072782511).

Almost surely, 2^{35402145565021} is an apocalyptic number.

It is an amenable number.

35402145565021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35402145565021 is an equidigital number, since it uses as much as digits as its factorization.

35402145565021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 35402145565021 its reverse (12056554120453), we get a palindrome (47458699685474).

The spelling of 35402145565021 in words is "thirty-five trillion, four hundred two billion, one hundred forty-five million, five hundred sixty-five thousand, twenty-one".