35216358005821 has 2 divisors, whose sum is σ = 35216358005822. Its totient is φ = 35216358005820.

The previous prime is 35216358005809. The next prime is 35216358005863. The reversal of 35216358005821 is 12850085361253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27865676652025 + 7350681353796 = 5278795^2 + 2711214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35216358005821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35216358705821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17608179002910 + 17608179002911.

It is an arithmetic number, because the mean of its divisors is an integer number (17608179002911).

Almost surely, 2^{35216358005821} is an apocalyptic number.

It is an amenable number.

35216358005821 is a deficient number, since it is larger than the sum of its proper divisors (1).

35216358005821 is an equidigital number, since it uses as much as digits as its factorization.

35216358005821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 35216358005821 in words is "thirty-five trillion, two hundred sixteen billion, three hundred fifty-eight million, five thousand, eight hundred twenty-one".