102018276389 has 2 divisors, whose sum is σ = 102018276390. Its totient is φ = 102018276388.

The previous prime is 102018276379. The next prime is 102018276419. The reversal of 102018276389 is 983672810201.

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., 52893100225 + 49125176164 = 229985^2 + 221642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102018276389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102018276379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51009138194 + 51009138195.

It is an arithmetic number, because the mean of its divisors is an integer number (51009138195).

Almost surely, 2^102018276389 is an apocalyptic number.

It is an amenable number.

102018276389 is a deficient number, since it is larger than the sum of its proper divisors (1).

102018276389 is an equidigital number, since it uses as much as digits as its factorization.

102018276389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 102018276389 in words is "one hundred two billion, eighteen million, two hundred seventy-six thousand, three hundred eighty-nine".