7813734081065 has 16 divisors (see below), whose sum is σ = 10231498609920. Its totient is φ = 5681265496320.

The previous prime is 7813734081037. The next prime is 7813734081071. The reversal of 7813734081065 is 5601804373187.

It is not a de Polignac number, because 7813734081065 - 2⁶ = 7813734081001 is a prime.

It is a super-2 number, since 2×7813734081065² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7813734080998 and 7813734081016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17909984 + ... + 18341073.

It is an arithmetic number, because the mean of its divisors is an integer number (639468663120).

Almost surely, 2^{7813734081065} is an apocalyptic number.

It is an amenable number.

7813734081065 is a deficient number, since it is larger than the sum of its proper divisors (2417764528855).

7813734081065 is a wasteful number, since it uses less digits than its factorization.

7813734081065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36254992.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 7813734081065 in words is "seven trillion, eight hundred thirteen billion, seven hundred thirty-four million, eighty-one thousand, sixty-five".