542444215451453 has 8 divisors (see below), whose sum is σ = 625422407702208. Its totient is φ = 460837563568704.

The previous prime is 542444215451401. The next prime is 542444215451491. The reversal of 542444215451453 is 354154512444245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-542444215451453 is a prime.

It is a super-2 number, since 2×542444215451453² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542444215451395 and 542444215451404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542444215451153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342885091151 + ... + 342885092732.

It is an arithmetic number, because the mean of its divisors is an integer number (78177800962776).

Almost surely, 2^{542444215451453} is an apocalyptic number.

It is an amenable number.

542444215451453 is a deficient number, since it is larger than the sum of its proper divisors (82978192250755).

542444215451453 is a wasteful number, since it uses less digits than its factorization.

542444215451453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685770184003.

The product of its digits is 30720000, while the sum is 53.

Adding to 542444215451453 its reverse (354154512444245), we get a palindrome (896598727895698).

The spelling of 542444215451453 in words is "five hundred forty-two trillion, four hundred forty-four billion, two hundred fifteen million, four hundred fifty-one thousand, four hundred fifty-three".