4642960491009 has 15 divisors (see below), whose sum is σ = 6935809456147. Its totient is φ = 3095294065488.

The previous prime is 4642960490981. The next prime is 4642960491041. The reversal of 4642960491009 is 9001940692464.

It is a happy number.

The square root of 4642960491009 is 2154753.

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

4642960491009 is a `hidden beast` number, since 4 + 6 + 4 + 29 + 604 + 9 + 1 + 0 + 0 + 9 = 666.

4642960491009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2790987890625 + 1851972600384 = 1670625^2 + 1360872^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4642960491009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642965491009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 19273069 + ... + 19512485.

Almost surely, 2^{4642960491009} is an apocalyptic number.

4642960491009 is the 2154753-rd square number.

4642960491009 is the 1077377-th centered octagonal number.

It is an amenable number.

4642960491009 is a deficient number, since it is larger than the sum of its proper divisors (2292848965138).

4642960491009 is an frugal number, since it uses more digits than its factorization.

4642960491009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478846 (or 239420 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 4642960491009 in words is "four trillion, six hundred forty-two billion, nine hundred sixty million, four hundred ninety-one thousand, nine".