989018316036 has 27 divisors (see below), whose sum is σ = 2500033604341. Its totient is φ = 329670783024.

The previous prime is 989018316029. The next prime is 989018316043. The reversal of 989018316036 is 630613810989.

The square root of 989018316036 is 994494.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (989018316029) and next prime (989018316043).

It can be written as a sum of positive squares in only one way, i.e., 986632970436 + 2385345600 = 993294^2 + 48840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5884090 + ... + 6049838.

Almost surely, 2^989018316036 is an apocalyptic number.

989018316036 is the 994494-th square number.

It is an amenable number.

989018316036 is an abundant number, since it is smaller than the sum of its proper divisors (1511015288305).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989018316036 is an frugal number, since it uses more digits than its factorization.

989018316036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331508 (or 165754 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 989018316036 in words is "nine hundred eighty-nine billion, eighteen million, three hundred sixteen thousand, thirty-six".