998835000650 has 24 divisors (see below), whose sum is σ = 1857882429804. Its totient is φ = 399523392000.

The previous prime is 998835000643. The next prime is 998835000703. The reversal of 998835000650 is 56000538899.

It can be written as a sum of positive squares in 6 ways, for example, as 776853620449 + 221981380201 = 881393^2 + 471149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 998835000592 and 998835000601.

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 in 11 ways as a sum of consecutive naturals, for example, 1795244 + ... + 2284856.

Almost surely, 2^998835000650 is an apocalyptic number.

998835000650 is a deficient number, since it is larger than the sum of its proper divisors (859047429154).

998835000650 is a wasteful number, since it uses less digits than its factorization.

998835000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530426 (or 530421 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 998835000650 in words is "nine hundred ninety-eight billion, eight hundred thirty-five million, six hundred fifty", and thus it is an aban number.