9400649860989 has 48 divisors (see below), whose sum is σ = 13884578323200. Its totient is φ = 6127554175488.

The previous prime is 9400649860967. The next prime is 9400649861003. The reversal of 9400649860989 is 9890689460049.

It is a happy number.

9400649860989 is a `hidden beast` number, since 9 + 4 + 0 + 0 + 6 + 4 + 9 + 8 + 609 + 8 + 9 = 666.

It is not a de Polignac number, because 9400649860989 - 2⁹ = 9400649860477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400649860939) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64643842 + ... + 64789100.

It is an arithmetic number, because the mean of its divisors is an integer number (289262048400).

Almost surely, 2^{9400649860989} is an apocalyptic number.

It is an amenable number.

9400649860989 is a deficient number, since it is larger than the sum of its proper divisors (4483928462211).

9400649860989 is a wasteful number, since it uses less digits than its factorization.

9400649860989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146194 (or 146191 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 9400649860989 in words is "nine trillion, four hundred billion, six hundred forty-nine million, eight hundred sixty thousand, nine hundred eighty-nine".