538342429 has 2 divisors, whose sum is σ = 538342430. Its totient is φ = 538342428.

The previous prime is 538342421. The next prime is 538342463. The reversal of 538342429 is 924243835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428407204 + 109935225 = 20698^2 + 10485^2 .

It is a cyclic number.

It is not a de Polignac number, because 538342429 - 2³ = 538342421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538342391 and 538342400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538342421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269171214 + 269171215.

It is an arithmetic number, because the mean of its divisors is an integer number (269171215).

Almost surely, 2^538342429 is an apocalyptic number.

It is an amenable number.

538342429 is a deficient number, since it is larger than the sum of its proper divisors (1).

538342429 is an equidigital number, since it uses as much as digits as its factorization.

538342429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 538342429 is about 23202.2074165369. The cubic root of 538342429 is about 813.4912198899.

The spelling of 538342429 in words is "five hundred thirty-eight million, three hundred forty-two thousand, four hundred twenty-nine".