10001000986 has 4 divisors (see below), whose sum is σ = 15001501482. Its totient is φ = 5000500492.

The previous prime is 10001000939. The next prime is 10001001001. The reversal of 10001000986 is 68900010001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10001000025 + 961 = 100005^2 + 31^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10001000986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500250245 + ... + 2500250248.

Almost surely, 2^10001000986 is an apocalyptic number.

10001000986 is a deficient number, since it is larger than the sum of its proper divisors (5000500496).

10001000986 is an equidigital number, since it uses as much as digits as its factorization.

10001000986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000500495.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 10001000986 its reverse (68900010001), we get a palindrome (78901010987).

The spelling of 10001000986 in words is "ten billion, one million, nine hundred eighty-six", and thus it is an aban number.