4675645121 has 6 divisors (see below), whose sum is σ = 5439015810. Its totient is φ = 4007695776.

The previous prime is 4675645061. The next prime is 4675645123. The reversal of 4675645121 is 1215465764.

It can be written as a sum of positive squares in only one way, i.e., 4104196096 + 571449025 = 64064^2 + 23905^2 .

It is not a de Polignac number, because 4675645121 - 2¹⁰ = 4675644097 is a prime.

It is a super-2 number, since 2×4675645121² = 43723314595062209282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4675645123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47710616 + ... + 47710713.

It is an arithmetic number, because the mean of its divisors is an integer number (906502635).

Almost surely, 2^4675645121 is an apocalyptic number.

It is an amenable number.

4675645121 is a deficient number, since it is larger than the sum of its proper divisors (763370689).

4675645121 is an equidigital number, since it uses as much as digits as its factorization.

4675645121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95421343 (or 95421336 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 4675645121 is about 68378.6890851236. The cubic root of 4675645121 is about 1672.1703314307.

The spelling of 4675645121 in words is "four billion, six hundred seventy-five million, six hundred forty-five thousand, one hundred twenty-one".