3634112681 has 2 divisors, whose sum is σ = 3634112682. Its totient is φ = 3634112680.

The previous prime is 3634112623. The next prime is 3634112683. The reversal of 3634112681 is 1862114363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3633678400 + 434281 = 60280^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634112681 - 2¹⁸ = 3633850537 is a prime.

It is a super-2 number, since 2×3634112681² = 26413549956410015522, which contains 22 as substring.

Together with 3634112683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3634112683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817056340 + 1817056341.

It is an arithmetic number, because the mean of its divisors is an integer number (1817056341).

Almost surely, 2^3634112681 is an apocalyptic number.

It is an amenable number.

3634112681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3634112681 is an equidigital number, since it uses as much as digits as its factorization.

3634112681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 3634112681 is about 60283.6020904524. The cubic root of 3634112681 is about 1537.4445560988. Note that the first 3 decimals are identical.

The spelling of 3634112681 in words is "three billion, six hundred thirty-four million, one hundred twelve thousand, six hundred eighty-one".