3667003700081 has 2 divisors, whose sum is σ = 3667003700082. Its totient is φ = 3667003700080.

The previous prime is 3667003699991. The next prime is 3667003700089. The reversal of 3667003700081 is 1800073007663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3514841293681 + 152162406400 = 1874791^2 + 390080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667003700081 - 2³⁴ = 3649823830897 is a prime.

It is a super-2 number, since 2×3667003700081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3667003700089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833501850040 + 1833501850041.

It is an arithmetic number, because the mean of its divisors is an integer number (1833501850041).

Almost surely, 2^{3667003700081} is an apocalyptic number.

It is an amenable number.

3667003700081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667003700081 is an equidigital number, since it uses as much as digits as its factorization.

3667003700081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 3667003700081 in words is "three trillion, six hundred sixty-seven billion, three million, seven hundred thousand, eighty-one".