542046181829 has 2 divisors, whose sum is σ = 542046181830. Its totient is φ = 542046181828.

The previous prime is 542046181813. The next prime is 542046181849. The reversal of 542046181829 is 928181640245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521767852225 + 20278329604 = 722335^2 + 142402^2 .

It is a cyclic number.

It is not a de Polignac number, because 542046181829 - 2⁴ = 542046181813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542046181849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271023090914 + 271023090915.

It is an arithmetic number, because the mean of its divisors is an integer number (271023090915).

Almost surely, 2^542046181829 is an apocalyptic number.

It is an amenable number.

542046181829 is a deficient number, since it is larger than the sum of its proper divisors (1).

542046181829 is an equidigital number, since it uses as much as digits as its factorization.

542046181829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 542046181829 in words is "five hundred forty-two billion, forty-six million, one hundred eighty-one thousand, eight hundred twenty-nine".