7940648112269 has 4 divisors (see below), whose sum is σ = 7940954336796. Its totient is φ = 7940341887744.

The previous prime is 7940648112259. The next prime is 7940648112301. The reversal of 7940648112269 is 9622118460497.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5583594139369 + 2357053972900 = 2362963^2 + 1535270^2 .

It is a cyclic number.

It is not a de Polignac number, because 7940648112269 - 2⁸ = 7940648112013 is a prime.

It is a super-3 number, since 3×7940648112269³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940648112259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 153073364 + ... + 153125229.

It is an arithmetic number, because the mean of its divisors is an integer number (1985238584199).

Almost surely, 2^{7940648112269} is an apocalyptic number.

It is an amenable number.

7940648112269 is a deficient number, since it is larger than the sum of its proper divisors (306224527).

7940648112269 is a wasteful number, since it uses less digits than its factorization.

7940648112269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306224526.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 7940648112269 in words is "seven trillion, nine hundred forty billion, six hundred forty-eight million, one hundred twelve thousand, two hundred sixty-nine".