542252402443 has 4 divisors (see below), whose sum is σ = 542259817240. Its totient is φ = 542244987648.

The previous prime is 542252402437. The next prime is 542252402449. The reversal of 542252402443 is 344204252245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (542252402437) and next prime (542252402449).

It is a cyclic number.

It is not a de Polignac number, because 542252402443 - 2¹³ = 542252394251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542252402449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596598 + ... + 3744331.

It is an arithmetic number, because the mean of its divisors is an integer number (135564954310).

Almost surely, 2^542252402443 is an apocalyptic number.

542252402443 is a deficient number, since it is larger than the sum of its proper divisors (7414797).

542252402443 is an equidigital number, since it uses as much as digits as its factorization.

542252402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414796.

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 542252402443 its reverse (344204252245), we get a palindrome (886456654688).

The spelling of 542252402443 in words is "five hundred forty-two billion, two hundred fifty-two million, four hundred two thousand, four hundred forty-three".