7865214350663 has 4 divisors (see below), whose sum is σ = 7865223919488. Its totient is φ = 7865204781840.

The previous prime is 7865214350657. The next prime is 7865214350683. The reversal of 7865214350663 is 3660534125687.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7865214350663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7865214350599 and 7865214350608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865214350683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422183 + ... + 5238488.

It is an arithmetic number, because the mean of its divisors is an integer number (1966305979872).

Almost surely, 2^{7865214350663} is an apocalyptic number.

7865214350663 is a deficient number, since it is larger than the sum of its proper divisors (9568825).

7865214350663 is an equidigital number, since it uses as much as digits as its factorization.

7865214350663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9568824.

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

The spelling of 7865214350663 in words is "seven trillion, eight hundred sixty-five billion, two hundred fourteen million, three hundred fifty thousand, six hundred sixty-three".