2491863660482 has 12 divisors (see below), whose sum is σ = 4348047815910. Its totient is φ = 1067941568736.

The previous prime is 2491863660469. The next prime is 2491863660527. The reversal of 2491863660482 is 2840663681942.

It is a happy number.

2491863660482 is digitally balanced in base 2, 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., 1905446183641 + 586417476841 = 1380379^2 + 765779^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12713590007 + ... + 12713590202.

Almost surely, 2^{2491863660482} is an apocalyptic number.

2491863660482 is a deficient number, since it is larger than the sum of its proper divisors (1856184155428).

2491863660482 is a wasteful number, since it uses less digits than its factorization.

2491863660482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25427180225 (or 25427180218 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 59.

The spelling of 2491863660482 in words is "two trillion, four hundred ninety-one billion, eight hundred sixty-three million, six hundred sixty thousand, four hundred eighty-two".