3641663224427 has 2 divisors, whose sum is σ = 3641663224428. Its totient is φ = 3641663224426.

The previous prime is 3641663224357. The next prime is 3641663224487. The reversal of 3641663224427 is 7244223661463.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3641663224427 - 2¹⁸ = 3641662962283 is a prime.

It is a super-2 number, since 2×3641663224427² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3641663224487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820831612213 + 1820831612214.

It is an arithmetic number, because the mean of its divisors is an integer number (1820831612214).

Almost surely, 2^{3641663224427} is an apocalyptic number.

3641663224427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641663224427 is an equidigital number, since it uses as much as digits as its factorization.

3641663224427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 50.

The spelling of 3641663224427 in words is "three trillion, six hundred forty-one billion, six hundred sixty-three million, two hundred twenty-four thousand, four hundred twenty-seven".