627001660349 has 2 divisors, whose sum is σ = 627001660350. Its totient is φ = 627001660348.

The previous prime is 627001660291. The next prime is 627001660367. The reversal of 627001660349 is 943066100726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568041079225 + 58960581124 = 753685^2 + 242818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-627001660349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627001662349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313500830174 + 313500830175.

It is an arithmetic number, because the mean of its divisors is an integer number (313500830175).

Almost surely, 2^627001660349 is an apocalyptic number.

It is an amenable number.

627001660349 is a deficient number, since it is larger than the sum of its proper divisors (1).

627001660349 is an equidigital number, since it uses as much as digits as its factorization.

627001660349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 627001660349 in words is "six hundred twenty-seven billion, one million, six hundred sixty thousand, three hundred forty-nine".