9890870754364 has 6 divisors (see below), whose sum is σ = 17309023820144. Its totient is φ = 4945435377180.

The previous prime is 9890870754361. The next prime is 9890870754481. The reversal of 9890870754364 is 4634570780989.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9890870754293 and 9890870754302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890870754361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236358844292 + ... + 1236358844299.

Almost surely, 2^{9890870754364} is an apocalyptic number.

It is an amenable number.

9890870754364 is a deficient number, since it is larger than the sum of its proper divisors (7418153065780).

9890870754364 is a wasteful number, since it uses less digits than its factorization.

9890870754364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472717688595 (or 2472717688593 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 9890870754364 in words is "nine trillion, eight hundred ninety billion, eight hundred seventy million, seven hundred fifty-four thousand, three hundred sixty-four".