542969429 has 2 divisors, whose sum is σ = 542969430. Its totient is φ = 542969428.

The previous prime is 542969417. The next prime is 542969461. The reversal of 542969429 is 924969245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444999025 + 97970404 = 21095^2 + 9898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542969429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542969489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271484714 + 271484715.

It is an arithmetic number, because the mean of its divisors is an integer number (271484715).

Almost surely, 2^542969429 is an apocalyptic number.

It is an amenable number.

542969429 is a deficient number, since it is larger than the sum of its proper divisors (1).

542969429 is an equidigital number, since it uses as much as digits as its factorization.

542969429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The square root of 542969429 is about 23301.7044226383. The cubic root of 542969429 is about 815.8151999855.

The spelling of 542969429 in words is "five hundred forty-two million, nine hundred sixty-nine thousand, four hundred twenty-nine".