627400072141181 has 2 divisors, whose sum is σ = 627400072141182. Its totient is φ = 627400072141180.

The previous prime is 627400072141121. The next prime is 627400072141187. The reversal of 627400072141181 is 181141270004726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585771122938681 + 41628949202500 = 24202709^2 + 6452050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-627400072141181 is a prime.

It is a super-2 number, since 2×627400072141181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627400072141187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313700036070590 + 313700036070591.

It is an arithmetic number, because the mean of its divisors is an integer number (313700036070591).

Almost surely, 2^{627400072141181} is an apocalyptic number.

It is an amenable number.

627400072141181 is a deficient number, since it is larger than the sum of its proper divisors (1).

627400072141181 is an equidigital number, since it uses as much as digits as its factorization.

627400072141181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 627400072141181 in words is "six hundred twenty-seven trillion, four hundred billion, seventy-two million, one hundred forty-one thousand, one hundred eighty-one".