35505916421 has 2 divisors, whose sum is σ = 35505916422. Its totient is φ = 35505916420.

The previous prime is 35505916393. The next prime is 35505916471. The reversal of 35505916421 is 12461950553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35490792100 + 15124321 = 188390^2 + 3889^2 .

It is a cyclic number.

It is not a de Polignac number, because 35505916421 - 2¹⁰ = 35505915397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35505916471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17752958210 + 17752958211.

It is an arithmetic number, because the mean of its divisors is an integer number (17752958211).

Almost surely, 2^35505916421 is an apocalyptic number.

It is an amenable number.

35505916421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35505916421 is an equidigital number, since it uses as much as digits as its factorization.

35505916421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 35505916421 in words is "thirty-five billion, five hundred five million, nine hundred sixteen thousand, four hundred twenty-one".