3538187850397 has 2 divisors, whose sum is σ = 3538187850398. Its totient is φ = 3538187850396.

The previous prime is 3538187850389. The next prime is 3538187850433. The reversal of 3538187850397 is 7930587818353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3417743453796 + 120444396601 = 1848714^2 + 347051^2 .

It is a cyclic number.

It is not a de Polignac number, because 3538187850397 - 2³ = 3538187850389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3538187850317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769093925198 + 1769093925199.

It is an arithmetic number, because the mean of its divisors is an integer number (1769093925199).

Almost surely, 2^{3538187850397} is an apocalyptic number.

It is an amenable number.

3538187850397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3538187850397 is an equidigital number, since it uses as much as digits as its factorization.

3538187850397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 3538187850397 in words is "three trillion, five hundred thirty-eight billion, one hundred eighty-seven million, eight hundred fifty thousand, three hundred ninety-seven".