542052446624431 has 2 divisors, whose sum is σ = 542052446624432. Its totient is φ = 542052446624430.

The previous prime is 542052446624417. The next prime is 542052446624467. The reversal of 542052446624431 is 134426644250245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542052446624431 - 2⁵ = 542052446624399 is a prime.

It is a super-2 number, since 2×542052446624431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542052446624401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271026223312215 + 271026223312216.

It is an arithmetic number, because the mean of its divisors is an integer number (271026223312216).

Almost surely, 2^{542052446624431} is an apocalyptic number.

542052446624431 is a deficient number, since it is larger than the sum of its proper divisors (1).

542052446624431 is an equidigital number, since it uses as much as digits as its factorization.

542052446624431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22118400, while the sum is 52.

The spelling of 542052446624431 in words is "five hundred forty-two trillion, fifty-two billion, four hundred forty-six million, six hundred twenty-four thousand, four hundred thirty-one".