189314428018277 has 2 divisors, whose sum is σ = 189314428018278. Its totient is φ = 189314428018276.

The previous prime is 189314428018259. The next prime is 189314428018343. The reversal of 189314428018277 is 772810824413981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189044927908321 + 269500109956 = 13749361^2 + 519134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189314428018277 is a prime.

It is a super-3 number, since 3×189314428018277³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189314428018577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94657214009138 + 94657214009139.

It is an arithmetic number, because the mean of its divisors is an integer number (94657214009139).

Almost surely, 2^{189314428018277} is an apocalyptic number.

It is an amenable number.

189314428018277 is a deficient number, since it is larger than the sum of its proper divisors (1).

189314428018277 is an equidigital number, since it uses as much as digits as its factorization.

189314428018277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43352064, while the sum is 65.

The spelling of 189314428018277 in words is "one hundred eighty-nine trillion, three hundred fourteen billion, four hundred twenty-eight million, eighteen thousand, two hundred seventy-seven".