3534674621081 has 2 divisors, whose sum is σ = 3534674621082. Its totient is φ = 3534674621080.

The previous prime is 3534674621057. The next prime is 3534674621113. The reversal of 3534674621081 is 1801264764353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2851640142400 + 683034478681 = 1688680^2 + 826459^2 .

It is a cyclic number.

It is not a de Polignac number, because 3534674621081 - 2⁶ = 3534674621017 is a prime.

It is a super-2 number, since 2×3534674621081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3534674621981) 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, 1767337310540 + 1767337310541.

It is an arithmetic number, because the mean of its divisors is an integer number (1767337310541).

Almost surely, 2^{3534674621081} is an apocalyptic number.

It is an amenable number.

3534674621081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3534674621081 is an equidigital number, since it uses as much as digits as its factorization.

3534674621081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 3534674621081 in words is "three trillion, five hundred thirty-four billion, six hundred seventy-four million, six hundred twenty-one thousand, eighty-one".