627311865041 has 4 divisors (see below), whose sum is σ = 628167680052. Its totient is φ = 626456050032.

The previous prime is 627311864947. The next prime is 627311865049. The reversal of 627311865041 is 140568113726.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140568113726 = 2 ⋅70284056863.

It can be written as a sum of positive squares in 2 ways, for example, as 483212668225 + 144099196816 = 695135^2 + 379604^2 .

It is a cyclic number.

It is not a de Polignac number, because 627311865041 - 2¹⁰ = 627311864017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 627311864983 and 627311865001.

It is not an unprimeable number, because it can be changed into a prime (627311865049) 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 3 ways as a sum of consecutive naturals, for example, 427906406 + ... + 427907871.

It is an arithmetic number, because the mean of its divisors is an integer number (157041920013).

Almost surely, 2^627311865041 is an apocalyptic number.

It is an amenable number.

627311865041 is a deficient number, since it is larger than the sum of its proper divisors (855815011).

627311865041 is an equidigital number, since it uses as much as digits as its factorization.

627311865041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855815010.

The product of its (nonzero) digits is 241920, while the sum is 44.

Adding to 627311865041 its reverse (140568113726), we get a palindrome (767879978767).

The spelling of 627311865041 in words is "six hundred twenty-seven billion, three hundred eleven million, eight hundred sixty-five thousand, forty-one".