542056246637 has 2 divisors, whose sum is σ = 542056246638. Its totient is φ = 542056246636.

The previous prime is 542056246577. The next prime is 542056246727. The reversal of 542056246637 is 736642650245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330355954756 + 211700291881 = 574766^2 + 460109^2 .

It is a cyclic number.

It is not a de Polignac number, because 542056246637 - 2⁶ = 542056246573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542056246037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271028123318 + 271028123319.

It is an arithmetic number, because the mean of its divisors is an integer number (271028123319).

Almost surely, 2^542056246637 is an apocalyptic number.

It is an amenable number.

542056246637 is a deficient number, since it is larger than the sum of its proper divisors (1).

542056246637 is an equidigital number, since it uses as much as digits as its factorization.

542056246637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 542056246637 in words is "five hundred forty-two billion, fifty-six million, two hundred forty-six thousand, six hundred thirty-seven".