4157123441 has 4 divisors (see below), whose sum is σ = 4401660132. Its totient is φ = 3912586752.

The previous prime is 4157123417. The next prime is 4157123459. The reversal of 4157123441 is 1443217514.

4157123441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1102240000 + 3054883441 = 33200^2 + 55271^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157123441 - 2¹⁴ = 4157107057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4157123398 and 4157123407.

It is not an unprimeable number, because it can be changed into a prime (4157123491) 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 3 ways as a sum of consecutive naturals, for example, 122268320 + ... + 122268353.

It is an arithmetic number, because the mean of its divisors is an integer number (1100415033).

Almost surely, 2^4157123441 is an apocalyptic number.

It is an amenable number.

4157123441 is a deficient number, since it is larger than the sum of its proper divisors (244536691).

4157123441 is a wasteful number, since it uses less digits than its factorization.

4157123441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244536690.

The product of its digits is 13440, while the sum is 32.

The square root of 4157123441 is about 64475.7585531182. The cubic root of 4157123441 is about 1607.9195174822.

The spelling of 4157123441 in words is "four billion, one hundred fifty-seven million, one hundred twenty-three thousand, four hundred forty-one".