3673534561 has 2 divisors, whose sum is σ = 3673534562. Its totient is φ = 3673534560.

The previous prime is 3673534549. The next prime is 3673534567. The reversal of 3673534561 is 1654353763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3498131025 + 175403536 = 59145^2 + 13244^2 .

It is a cyclic number.

It is not a de Polignac number, because 3673534561 - 2¹⁹ = 3673010273 is a prime.

It is a super-2 number, since 2×3673534561² = 26989712341722925442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3673534567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836767280 + 1836767281.

It is an arithmetic number, because the mean of its divisors is an integer number (1836767281).

Almost surely, 2^3673534561 is an apocalyptic number.

It is an amenable number.

3673534561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3673534561 is an equidigital number, since it uses as much as digits as its factorization.

3673534561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 43.

The square root of 3673534561 is about 60609.6903225879. The cubic root of 3673534561 is about 1542.9838366889.

The spelling of 3673534561 in words is "three billion, six hundred seventy-three million, five hundred thirty-four thousand, five hundred sixty-one".