3651813608463 has 12 divisors (see below), whose sum is σ = 5470206393288. Its totient is φ = 2434542405480.

The previous prime is 3651813608431. The next prime is 3651813608479. The reversal of 3651813608463 is 3648063181563.

3651813608463 is a `hidden beast` number, since 3 + 6 + 5 + 18 + 13 + 608 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 3651813608463 - 2⁵ = 3651813608431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651813608413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7514019528 + ... + 7514020013.

It is an arithmetic number, because the mean of its divisors is an integer number (455850532774).

Almost surely, 2^{3651813608463} is an apocalyptic number.

3651813608463 is a deficient number, since it is larger than the sum of its proper divisors (1818392784825).

3651813608463 is an equidigital number, since it uses as much as digits as its factorization.

3651813608463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15028039556 (or 15028039544 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 3651813608463 in words is "three trillion, six hundred fifty-one billion, eight hundred thirteen million, six hundred eight thousand, four hundred sixty-three".