4661224391 has 2 divisors, whose sum is σ = 4661224392. Its totient is φ = 4661224390.

The previous prime is 4661224361. The next prime is 4661224411. The reversal of 4661224391 is 1934221664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4661224391 - 2¹⁸ = 4660962247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4661224301) 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, 2330612195 + 2330612196.

It is an arithmetic number, because the mean of its divisors is an integer number (2330612196).

Almost surely, 2^4661224391 is an apocalyptic number.

4661224391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661224391 is an equidigital number, since it uses as much as digits as its factorization.

4661224391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 4661224391 is about 68273.1601070289. The cubic root of 4661224391 is about 1670.4494458844.

The spelling of 4661224391 in words is "four billion, six hundred sixty-one million, two hundred twenty-four thousand, three hundred ninety-one".