542252622653 has 4 divisors (see below), whose sum is σ = 619717283040. Its totient is φ = 464787962268.

The previous prime is 542252622647. The next prime is 542252622727. The reversal of 542252622653 is 356226252245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 542252622653 - 2¹⁶ = 542252557117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542252621653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38732330183 + ... + 38732330196.

It is an arithmetic number, because the mean of its divisors is an integer number (154929320760).

Almost surely, 2^542252622653 is an apocalyptic number.

It is an amenable number.

542252622653 is a deficient number, since it is larger than the sum of its proper divisors (77464660387).

542252622653 is an equidigital number, since it uses as much as digits as its factorization.

542252622653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77464660386.

The product of its digits is 1728000, while the sum is 44.

Adding to 542252622653 its reverse (356226252245), we get a palindrome (898478874898).

The spelling of 542252622653 in words is "five hundred forty-two billion, two hundred fifty-two million, six hundred twenty-two thousand, six hundred fifty-three".