3565050421213 has 2 divisors, whose sum is σ = 3565050421214. Its totient is φ = 3565050421212.

The previous prime is 3565050421139. The next prime is 3565050421237. The reversal of 3565050421213 is 3121240505653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2207072726884 + 1357977694329 = 1485622^2 + 1165323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3565050421213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3565050421613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1782525210606 + 1782525210607.

It is an arithmetic number, because the mean of its divisors is an integer number (1782525210607).

Almost surely, 2^{3565050421213} is an apocalyptic number.

It is an amenable number.

3565050421213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3565050421213 is an equidigital number, since it uses as much as digits as its factorization.

3565050421213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 3565050421213 its reverse (3121240505653), we get a palindrome (6686290926866).

The spelling of 3565050421213 in words is "three trillion, five hundred sixty-five billion, fifty million, four hundred twenty-one thousand, two hundred thirteen".