35630695271221 has 2 divisors, whose sum is σ = 35630695271222. Its totient is φ = 35630695271220.

The previous prime is 35630695271177. The next prime is 35630695271273. The reversal of 35630695271221 is 12217259603653.

It is an a-pointer prime, because the next prime (35630695271273) can be obtained adding 35630695271221 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35361219040900 + 269476230321 = 5946530^2 + 519111^2 .

It is a cyclic number.

It is not a de Polignac number, because 35630695271221 - 2¹¹ = 35630695269173 is a prime.

It is a super-2 number, since 2×35630695271221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35630695271291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17815347635610 + 17815347635611.

It is an arithmetic number, because the mean of its divisors is an integer number (17815347635611).

Almost surely, 2^{35630695271221} is an apocalyptic number.

It is an amenable number.

35630695271221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35630695271221 is an equidigital number, since it uses as much as digits as its factorization.

35630695271221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 35630695271221 in words is "thirty-five trillion, six hundred thirty billion, six hundred ninety-five million, two hundred seventy-one thousand, two hundred twenty-one".