627054734549 has 2 divisors, whose sum is σ = 627054734550. Its totient is φ = 627054734548.

The previous prime is 627054734531. The next prime is 627054734609. The reversal of 627054734549 is 945437450726.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443629263025 + 183425471524 = 666055^2 + 428282^2 .

It is a cyclic number.

It is not a de Polignac number, because 627054734549 - 2²⁴ = 627037957333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 627054734494 and 627054734503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627054134549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313527367274 + 313527367275.

It is an arithmetic number, because the mean of its divisors is an integer number (313527367275).

Almost surely, 2^627054734549 is an apocalyptic number.

It is an amenable number.

627054734549 is a deficient number, since it is larger than the sum of its proper divisors (1).

627054734549 is an equidigital number, since it uses as much as digits as its factorization.

627054734549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 627054734549 in words is "six hundred twenty-seven billion, fifty-four million, seven hundred thirty-four thousand, five hundred forty-nine".