35415960221 has 2 divisors, whose sum is σ = 35415960222. Its totient is φ = 35415960220.

The previous prime is 35415960179. The next prime is 35415960227. The reversal of 35415960221 is 12206951453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35301148996 + 114811225 = 187886^2 + 10715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35415960221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35415960227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17707980110 + 17707980111.

It is an arithmetic number, because the mean of its divisors is an integer number (17707980111).

Almost surely, 2^35415960221 is an apocalyptic number.

It is an amenable number.

35415960221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35415960221 is an equidigital number, since it uses as much as digits as its factorization.

35415960221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 35415960221 in words is "thirty-five billion, four hundred fifteen million, nine hundred sixty thousand, two hundred twenty-one".