4645894121 has 8 divisors (see below), whose sum is σ = 5086160544. Its totient is φ = 4208613120.

The previous prime is 4645894109. The next prime is 4645894153. The reversal of 4645894121 is 1214985464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4645894121 - 2¹⁰ = 4645893097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645894321) 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 7 ways as a sum of consecutive naturals, for example, 743096 + ... + 749321.

It is an arithmetic number, because the mean of its divisors is an integer number (635770068).

Almost surely, 2^4645894121 is an apocalyptic number.

It is an amenable number.

4645894121 is a deficient number, since it is larger than the sum of its proper divisors (440266423).

4645894121 is a wasteful number, since it uses less digits than its factorization.

4645894121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492711.

The product of its digits is 276480, while the sum is 44.

The square root of 4645894121 is about 68160.7960707620. The cubic root of 4645894121 is about 1668.6161245105.

The spelling of 4645894121 in words is "four billion, six hundred forty-five million, eight hundred ninety-four thousand, one hundred twenty-one".