998962910642 has 8 divisors (see below), whose sum is σ = 1498937122332. Its totient is φ = 499317203200.

The previous prime is 998962910641. The next prime is 998962910653. The reversal of 998962910642 is 246019269899.

998962910642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 989247062881 + 9715847761 = 994609^2 + 98569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (998962910641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82118459 + ... + 82130622.

Almost surely, 2^998962910642 is an apocalyptic number.

998962910642 is a deficient number, since it is larger than the sum of its proper divisors (499974211690).

998962910642 is a wasteful number, since it uses less digits than its factorization.

998962910642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164252124.

The product of its (nonzero) digits is 30233088, while the sum is 65.

The spelling of 998962910642 in words is "nine hundred ninety-eight billion, nine hundred sixty-two million, nine hundred ten thousand, six hundred forty-two".