3243958121 has 8 divisors (see below), whose sum is σ = 3351720384. Its totient is φ = 3137920240.

The previous prime is 3243958051. The next prime is 3243958127. The reversal of 3243958121 is 1218593423.

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 3243958121 - 2²⁶ = 3176849257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3243958127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427271 + ... + 434796.

It is an arithmetic number, because the mean of its divisors is an integer number (418965048).

Almost surely, 2^3243958121 is an apocalyptic number.

It is an amenable number.

3243958121 is a deficient number, since it is larger than the sum of its proper divisors (107762263).

3243958121 is an equidigital number, since it uses as much as digits as its factorization.

3243958121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862191.

The product of its digits is 51840, while the sum is 38.

The square root of 3243958121 is about 56955.7558197589. The cubic root of 3243958121 is about 1480.3295651816.

The spelling of 3243958121 in words is "three billion, two hundred forty-three million, nine hundred fifty-eight thousand, one hundred twenty-one".