102026318289 has 16 divisors (see below), whose sum is σ = 158641507200. Its totient is φ = 58300752720.

The previous prime is 102026318287. The next prime is 102026318293. The reversal of 102026318289 is 982813620201.

It is not a de Polignac number, because 102026318289 - 2¹ = 102026318287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102026318289.

It is not an unprimeable number, because it can be changed into a prime (102026318281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49574442 + ... + 49576499.

It is an arithmetic number, because the mean of its divisors is an integer number (9915094200).

Almost surely, 2^102026318289 is an apocalyptic number.

It is an amenable number.

102026318289 is a deficient number, since it is larger than the sum of its proper divisors (56615188911).

102026318289 is an frugal number, since it uses more digits than its factorization.

102026318289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99150965 (or 99150951 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 102026318289 in words is "one hundred two billion, twenty-six million, three hundred eighteen thousand, two hundred eighty-nine".