102998327918973 has 4 divisors (see below), whose sum is σ = 137331103891968. Its totient is φ = 68665551945980.

The previous prime is 102998327918873. The next prime is 102998327918977. The reversal of 102998327918973 is 379819723899201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102998327918973 - 2²⁵ = 102998294364541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102998327918977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17166387986493 + ... + 17166387986498.

It is an arithmetic number, because the mean of its divisors is an integer number (34332775972992).

Almost surely, 2^{102998327918973} is an apocalyptic number.

It is an amenable number.

102998327918973 is a deficient number, since it is larger than the sum of its proper divisors (34332775972995).

102998327918973 is an equidigital number, since it uses as much as digits as its factorization.

102998327918973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34332775972994.

The product of its (nonzero) digits is 740710656, while the sum is 78.

The spelling of 102998327918973 in words is "one hundred two trillion, nine hundred ninety-eight billion, three hundred twenty-seven million, nine hundred eighteen thousand, nine hundred seventy-three".