998962815273 has 8 divisors (see below), whose sum is σ = 1331965576128. Its totient is φ = 665967632304.

The previous prime is 998962815269. The next prime is 998962815289. The reversal of 998962815273 is 372518269899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 998962815273 - 2² = 998962815269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 998962815198 and 998962815207.

It is not an unprimeable number, because it can be changed into a prime (998962815223) 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 7 ways as a sum of consecutive naturals, for example, 1579390 + ... + 2119527.

It is an arithmetic number, because the mean of its divisors is an integer number (166495697016).

Almost surely, 2^998962815273 is an apocalyptic number.

It is an amenable number.

998962815273 is a deficient number, since it is larger than the sum of its proper divisors (333002760855).

998962815273 is a wasteful number, since it uses less digits than its factorization.

998962815273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788943.

The product of its digits is 117573120, while the sum is 69.

The spelling of 998962815273 in words is "nine hundred ninety-eight billion, nine hundred sixty-two million, eight hundred fifteen thousand, two hundred seventy-three".