898689251912 has 8 divisors (see below), whose sum is σ = 1685042347350. Its totient is φ = 449344625952.

The previous prime is 898689251903. The next prime is 898689251923. The reversal of 898689251912 is 219152986898.

It can be written as a sum of positive squares in only one way, i.e., 888091372996 + 10597878916 = 942386^2 + 102946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56168078237 + ... + 56168078252.

Almost surely, 2^898689251912 is an apocalyptic number.

It is an amenable number.

898689251912 is a deficient number, since it is larger than the sum of its proper divisors (786353095438).

898689251912 is a wasteful number, since it uses less digits than its factorization.

898689251912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112336156495 (or 112336156491 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 68.

The spelling of 898689251912 in words is "eight hundred ninety-eight billion, six hundred eighty-nine million, two hundred fifty-one thousand, nine hundred twelve".