4112458921 has 4 divisors (see below), whose sum is σ = 4112752644. Its totient is φ = 4112165200.

The previous prime is 4112458919. The next prime is 4112458963. The reversal of 4112458921 is 1298542114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2965891600 + 1146567321 = 54460^2 + 33861^2 .

It is a cyclic number.

It is not a de Polignac number, because 4112458921 - 2¹ = 4112458919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4112458901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124750 + ... + 154231.

It is an arithmetic number, because the mean of its divisors is an integer number (1028188161).

Almost surely, 2^4112458921 is an apocalyptic number.

It is an amenable number.

4112458921 is a deficient number, since it is larger than the sum of its proper divisors (293723).

4112458921 is a wasteful number, since it uses less digits than its factorization.

4112458921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293722.

The product of its digits is 23040, while the sum is 37.

The square root of 4112458921 is about 64128.4564058734. The cubic root of 4112458921 is about 1602.1402245447.

The spelling of 4112458921 in words is "four billion, one hundred twelve million, four hundred fifty-eight thousand, nine hundred twenty-one".