542213439931 has 2 divisors, whose sum is σ = 542213439932. Its totient is φ = 542213439930.

The previous prime is 542213439907. The next prime is 542213440003. The reversal of 542213439931 is 139934312245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542213439931 - 2⁹ = 542213439419 is a prime.

It is a super-2 number, since 2×542213439931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542213439331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271106719965 + 271106719966.

It is an arithmetic number, because the mean of its divisors is an integer number (271106719966).

Almost surely, 2^542213439931 is an apocalyptic number.

542213439931 is a deficient number, since it is larger than the sum of its proper divisors (1).

542213439931 is an equidigital number, since it uses as much as digits as its factorization.

542213439931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The spelling of 542213439931 in words is "five hundred forty-two billion, two hundred thirteen million, four hundred thirty-nine thousand, nine hundred thirty-one".