898180081873 has 2 divisors, whose sum is σ = 898180081874. Its totient is φ = 898180081872.

The previous prime is 898180081867. The next prime is 898180081933. The reversal of 898180081873 is 378180081898.

898180081873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874238090049 + 23941991824 = 935007^2 + 154732^2 .

It is a cyclic number.

It is not a de Polignac number, because 898180081873 - 2³⁷ = 760741128401 is a prime.

It is not a weakly prime, because it can be changed into another prime (898180081823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449090040936 + 449090040937.

It is an arithmetic number, because the mean of its divisors is an integer number (449090040937).

Almost surely, 2^898180081873 is an apocalyptic number.

It is an amenable number.

898180081873 is a deficient number, since it is larger than the sum of its proper divisors (1).

898180081873 is an equidigital number, since it uses as much as digits as its factorization.

898180081873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 61.

The spelling of 898180081873 in words is "eight hundred ninety-eight billion, one hundred eighty million, eighty-one thousand, eight hundred seventy-three".