3538687350491 has 2 divisors, whose sum is σ = 3538687350492. Its totient is φ = 3538687350490.

The previous prime is 3538687350439. The next prime is 3538687350551. The reversal of 3538687350491 is 1940537868353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3538687350491 - 2¹⁴ = 3538687334107 is a prime.

It is not a weakly prime, because it can be changed into another prime (3538684350491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769343675245 + 1769343675246.

It is an arithmetic number, because the mean of its divisors is an integer number (1769343675246).

Almost surely, 2^{3538687350491} is an apocalyptic number.

3538687350491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3538687350491 is an equidigital number, since it uses as much as digits as its factorization.

3538687350491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 3538687350491 in words is "three trillion, five hundred thirty-eight billion, six hundred eighty-seven million, three hundred fifty thousand, four hundred ninety-one".