3681512151863 has 16 divisors (see below), whose sum is σ = 4531139321856. Its totient is φ = 2912814280800.

The previous prime is 3681512151857. The next prime is 3681512151893.

3681512151863 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3681512151863 - 2¹⁶ = 3681512086327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681512151893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13096970 + ... + 13375112.

It is an arithmetic number, because the mean of its divisors is an integer number (283196207616).

Almost surely, 2^{3681512151863} is an apocalyptic number.

3681512151863 is a deficient number, since it is larger than the sum of its proper divisors (849627169993).

3681512151863 is a wasteful number, since it uses less digits than its factorization.

3681512151863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423614.

The product of its digits is 1036800, while the sum is 50.

The spelling of 3681512151863 in words is "three trillion, six hundred eighty-one billion, five hundred twelve million, one hundred fifty-one thousand, eight hundred sixty-three".