4646555121 has 24 divisors (see below), whose sum is σ = 6715432416. Its totient is φ = 2856522240.

The previous prime is 4646555113. The next prime is 4646555129. The reversal of 4646555121 is 1215556464.

4646555121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4646555113) and next prime (4646555129).

It is not a de Polignac number, because 4646555121 - 2³ = 4646555113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4646555121.

It is not an unprimeable number, because it can be changed into a prime (4646555129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565281 + ... + 573441.

It is an arithmetic number, because the mean of its divisors is an integer number (279809684).

Almost surely, 2^4646555121 is an apocalyptic number.

It is an amenable number.

4646555121 is a deficient number, since it is larger than the sum of its proper divisors (2068877295).

4646555121 is a wasteful number, since it uses less digits than its factorization.

4646555121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313 (or 9300 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 4646555121 is about 68165.6447266510. The cubic root of 4646555121 is about 1668.6952555257.

It can be divided in two parts, 4646555 and 121, that added together give a triangular number (4646676 = T₃₀₄₈).

The spelling of 4646555121 in words is "four billion, six hundred forty-six million, five hundred fifty-five thousand, one hundred twenty-one".