35161436221 has 2 divisors, whose sum is σ = 35161436222. Its totient is φ = 35161436220.

The previous prime is 35161436179. The next prime is 35161436227. The reversal of 35161436221 is 12263416153.

35161436221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22346064196 + 12815372025 = 149486^2 + 113205^2 .

It is an emirp because it is prime and its reverse (12263416153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35161436221 - 2²³ = 35153047613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35161436227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17580718110 + 17580718111.

It is an arithmetic number, because the mean of its divisors is an integer number (17580718111).

Almost surely, 2^35161436221 is an apocalyptic number.

It is an amenable number.

35161436221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35161436221 is an equidigital number, since it uses as much as digits as its factorization.

35161436221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The spelling of 35161436221 in words is "thirty-five billion, one hundred sixty-one million, four hundred thirty-six thousand, two hundred twenty-one".