3545541781627 has 2 divisors, whose sum is σ = 3545541781628. Its totient is φ = 3545541781626.

The previous prime is 3545541781619. The next prime is 3545541781637. The reversal of 3545541781627 is 7261871455453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3545541781627 - 2³ = 3545541781619 is a prime.

It is a super-2 number, since 2×3545541781627² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3545541781637) 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, 1772770890813 + 1772770890814.

It is an arithmetic number, because the mean of its divisors is an integer number (1772770890814).

Almost surely, 2^{3545541781627} is an apocalyptic number.

3545541781627 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545541781627 is an equidigital number, since it uses as much as digits as its factorization.

3545541781627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224000, while the sum is 58.

The spelling of 3545541781627 in words is "three trillion, five hundred forty-five billion, five hundred forty-one million, seven hundred eighty-one thousand, six hundred twenty-seven".