627472227043289 has 2 divisors, whose sum is σ = 627472227043290. Its totient is φ = 627472227043288.

The previous prime is 627472227043261. The next prime is 627472227043297. The reversal of 627472227043289 is 982340722274726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626125506250000 + 1346720793289 = 25022500^2 + 1160483^2 .

It is a cyclic number.

It is not a de Polignac number, because 627472227043289 - 2³² = 627467932075993 is a prime.

It is not a weakly prime, because it can be changed into another prime (627472227043489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313736113521644 + 313736113521645.

It is an arithmetic number, because the mean of its divisors is an integer number (313736113521645).

Almost surely, 2^{627472227043289} is an apocalyptic number.

It is an amenable number.

627472227043289 is a deficient number, since it is larger than the sum of its proper divisors (1).

627472227043289 is an equidigital number, since it uses as much as digits as its factorization.

627472227043289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 227598336, while the sum is 65.

The spelling of 627472227043289 in words is "six hundred twenty-seven trillion, four hundred seventy-two billion, two hundred twenty-seven million, forty-three thousand, two hundred eighty-nine".