3862645507613 has 2 divisors, whose sum is σ = 3862645507614. Its totient is φ = 3862645507612.

The previous prime is 3862645507583. The next prime is 3862645507631. The reversal of 3862645507613 is 3167055462683.

It is a happy number.

3862645507613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (3862645507631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010874310809 + 1851771196804 = 1418053^2 + 1360798^2 .

It is a cyclic number.

It is not a de Polignac number, because 3862645507613 - 2¹² = 3862645503517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3862645507913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931322753806 + 1931322753807.

It is an arithmetic number, because the mean of its divisors is an integer number (1931322753807).

Almost surely, 2^{3862645507613} is an apocalyptic number.

It is an amenable number.

3862645507613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3862645507613 is an equidigital number, since it uses as much as digits as its factorization.

3862645507613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 3862645507613 in words is "three trillion, eight hundred sixty-two billion, six hundred forty-five million, five hundred seven thousand, six hundred thirteen".