898996493445 has 16 divisors (see below), whose sum is σ = 1439402408640. Its totient is φ = 479128790144.

The previous prime is 898996493443. The next prime is 898996493459. The reversal of 898996493445 is 544394699898.

It is a cyclic number.

It is not a de Polignac number, because 898996493445 - 2¹ = 898996493443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898996493443) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 20978280 + ... + 21021089.

It is an arithmetic number, because the mean of its divisors is an integer number (89962650540).

Almost surely, 2^898996493445 is an apocalyptic number.

It is an amenable number.

898996493445 is a deficient number, since it is larger than the sum of its proper divisors (540405915195).

898996493445 is a wasteful number, since it uses less digits than its factorization.

898996493445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42000804.

The product of its digits is 2418647040, while the sum is 78.

The spelling of 898996493445 in words is "eight hundred ninety-eight billion, nine hundred ninety-six million, four hundred ninety-three thousand, four hundred forty-five".