4239231538541 has 2 divisors, whose sum is σ = 4239231538542. Its totient is φ = 4239231538540.

The previous prime is 4239231538469. The next prime is 4239231538603. The reversal of 4239231538541 is 1458351329324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4150693155625 + 88538382916 = 2037325^2 + 297554^2 .

It is a cyclic number.

It is not a de Polignac number, because 4239231538541 - 2³⁴ = 4222051669357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4239231538541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4239231538141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119615769270 + 2119615769271.

It is an arithmetic number, because the mean of its divisors is an integer number (2119615769271).

Almost surely, 2^{4239231538541} is an apocalyptic number.

It is an amenable number.

4239231538541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4239231538541 is an equidigital number, since it uses as much as digits as its factorization.

4239231538541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 4239231538541 in words is "four trillion, two hundred thirty-nine billion, two hundred thirty-one million, five hundred thirty-eight thousand, five hundred forty-one".