542046331481 has 2 divisors, whose sum is σ = 542046331482. Its totient is φ = 542046331480.

The previous prime is 542046331417. The next prime is 542046331579. The reversal of 542046331481 is 184133640245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393423745225 + 148622586256 = 627235^2 + 385516^2 .

It is a cyclic number.

It is not a de Polignac number, because 542046331481 - 2⁶ = 542046331417 is a prime.

It is a super-2 number, since 2×542046331481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542046331181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271023165740 + 271023165741.

It is an arithmetic number, because the mean of its divisors is an integer number (271023165741).

Almost surely, 2^542046331481 is an apocalyptic number.

It is an amenable number.

542046331481 is a deficient number, since it is larger than the sum of its proper divisors (1).

542046331481 is an equidigital number, since it uses as much as digits as its factorization.

542046331481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 542046331481 in words is "five hundred forty-two billion, forty-six million, three hundred thirty-one thousand, four hundred eighty-one".