4671630121 has 2 divisors, whose sum is σ = 4671630122. Its totient is φ = 4671630120.

The previous prime is 4671630113. The next prime is 4671630191. The reversal of 4671630121 is 1210361764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2721082896 + 1950547225 = 52164^2 + 44165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4671630121 - 2³ = 4671630113 is a prime.

It is not a weakly prime, because it can be changed into another prime (4671630191) 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, 2335815060 + 2335815061.

It is an arithmetic number, because the mean of its divisors is an integer number (2335815061).

Almost surely, 2^4671630121 is an apocalyptic number.

It is an amenable number.

4671630121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4671630121 is an equidigital number, since it uses as much as digits as its factorization.

4671630121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4671630121 is about 68349.3242175810. The cubic root of 4671630121 is about 1671.6915606701.

Adding to 4671630121 its reverse (1210361764), we get a palindrome (5881991885).

The spelling of 4671630121 in words is "four billion, six hundred seventy-one million, six hundred thirty thousand, one hundred twenty-one".