542434510241523 has 48 divisors (see below), whose sum is σ = 787345631354880. Its totient is φ = 359860578372288.

The previous prime is 542434510241509. The next prime is 542434510241527. The reversal of 542434510241523 is 325142015434245.

542434510241523 is a `hidden beast` number, since 5 + 4 + 2 + 4 + 34 + 51 + 0 + 2 + 41 + 523 = 666.

It is not a de Polignac number, because 542434510241523 - 2⁹ = 542434510241011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542434510241527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4003759498 + ... + 4003894976.

It is an arithmetic number, because the mean of its divisors is an integer number (16403033986560).

Almost surely, 2^{542434510241523} is an apocalyptic number.

542434510241523 is a deficient number, since it is larger than the sum of its proper divisors (244911121113357).

542434510241523 is a wasteful number, since it uses less digits than its factorization.

542434510241523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138456 (or 138453 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 542434510241523 its reverse (325142015434245), we get a palindrome (867576525675768).

The spelling of 542434510241523 in words is "five hundred forty-two trillion, four hundred thirty-four billion, five hundred ten million, two hundred forty-one thousand, five hundred twenty-three".