542125351847 has 2 divisors, whose sum is σ = 542125351848. Its totient is φ = 542125351846.

The previous prime is 542125351799. The next prime is 542125351897. The reversal of 542125351847 is 748153521245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542125351847 - 2³⁰ = 541051610023 is a prime.

It is a super-2 number, since 2×542125351847² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542125351897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271062675923 + 271062675924.

It is an arithmetic number, because the mean of its divisors is an integer number (271062675924).

Almost surely, 2^542125351847 is an apocalyptic number.

542125351847 is a deficient number, since it is larger than the sum of its proper divisors (1).

542125351847 is an equidigital number, since it uses as much as digits as its factorization.

542125351847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344000, while the sum is 47.

The spelling of 542125351847 in words is "five hundred forty-two billion, one hundred twenty-five million, three hundred fifty-one thousand, eight hundred forty-seven".