102905671873 has 2 divisors, whose sum is σ = 102905671874. Its totient is φ = 102905671872.

The previous prime is 102905671741. The next prime is 102905671901. The reversal of 102905671873 is 378176509201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85084222864 + 17821449009 = 291692^2 + 133497^2 .

It is a cyclic number.

It is not a de Polignac number, because 102905671873 - 2⁹ = 102905671361 is a prime.

It is not a weakly prime, because it can be changed into another prime (102905671573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51452835936 + 51452835937.

It is an arithmetic number, because the mean of its divisors is an integer number (51452835937).

Almost surely, 2^102905671873 is an apocalyptic number.

It is an amenable number.

102905671873 is a deficient number, since it is larger than the sum of its proper divisors (1).

102905671873 is an equidigital number, since it uses as much as digits as its factorization.

102905671873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 102905671873 in words is "one hundred two billion, nine hundred five million, six hundred seventy-one thousand, eight hundred seventy-three".