627143442041 has 8 divisors (see below), whose sum is σ = 629002826760. Its totient is φ = 625285648512.

The previous prime is 627143441993. The next prime is 627143442059. The reversal of 627143442041 is 140244341726.

It can be written as a sum of positive squares in 4 ways, for example, as 138157916416 + 488985525625 = 371696^2 + 699275^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 627143442041 - 2²² = 627139247737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 627143441986 and 627143442004.

It is not an unprimeable number, because it can be changed into a prime (627143442061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393971 + ... + 1187223.

It is an arithmetic number, because the mean of its divisors is an integer number (78625353345).

Almost surely, 2^627143442041 is an apocalyptic number.

It is an amenable number.

627143442041 is a deficient number, since it is larger than the sum of its proper divisors (1859384719).

627143442041 is a wasteful number, since it uses less digits than its factorization.

627143442041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795595.

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 627143442041 its reverse (140244341726), we get a palindrome (767387783767).

The spelling of 627143442041 in words is "six hundred twenty-seven billion, one hundred forty-three million, four hundred forty-two thousand, forty-one".