4621446121 has 4 divisors (see below), whose sum is σ = 4623760000. Its totient is φ = 4619132244.

The previous prime is 4621446103. The next prime is 4621446139. The reversal of 4621446121 is 1216441264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4621446103) and next prime (4621446139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4621446121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4621440121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153941 + ... + 1157938.

It is an arithmetic number, because the mean of its divisors is an integer number (1155940000).

Almost surely, 2^4621446121 is an apocalyptic number.

It is an amenable number.

4621446121 is a deficient number, since it is larger than the sum of its proper divisors (2313879).

4621446121 is a wasteful number, since it uses less digits than its factorization.

4621446121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313878.

The product of its digits is 9216, while the sum is 31.

The square root of 4621446121 is about 67981.2188843360. The cubic root of 4621446121 is about 1665.6840664430.

Adding to 4621446121 its reverse (1216441264), we get a palindrome (5837887385).

The spelling of 4621446121 in words is "four billion, six hundred twenty-one million, four hundred forty-six thousand, one hundred twenty-one".