7812796169042 has 18 divisors (see below), whose sum is σ = 11914829396847. Its totient is φ = 3842240184000.

The previous prime is 7812796168999. The next prime is 7812796169053. The reversal of 7812796169042 is 2409616972187.

It can be written as a sum of positive squares in 5 ways, for example, as 5210669070721 + 2602127098321 = 2282689^2 + 1613111^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1976461.

It is a super-2 number, since 2×7812796169042² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 241112042 + ... + 241144442.

Almost surely, 2^{7812796169042} is an apocalyptic number.

7812796169042 is a deficient number, since it is larger than the sum of its proper divisors (4102033227805).

7812796169042 is an frugal number, since it uses more digits than its factorization.

7812796169042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64926 (or 32464 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 7812796169042 in words is "seven trillion, eight hundred twelve billion, seven hundred ninety-six million, one hundred sixty-nine thousand, forty-two".