7956429769 has 4 divisors (see below), whose sum is σ = 7962863044. Its totient is φ = 7949996496.

The previous prime is 7956429749. The next prime is 7956429869. The reversal of 7956429769 is 9679246597.

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 6339344400 + 1617085369 = 79620^2 + 40213^2 .

It is a cyclic number.

It is not a de Polignac number, because 7956429769 - 2¹⁹ = 7955905481 is a prime.

It is a super-2 number, since 2×7956429769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7956429769.

It is not an unprimeable number, because it can be changed into a prime (7956429749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214782 + ... + 3217255.

It is an arithmetic number, because the mean of its divisors is an integer number (1990715761).

Almost surely, 2^7956429769 is an apocalyptic number.

It is an amenable number.

7956429769 is a deficient number, since it is larger than the sum of its proper divisors (6433275).

7956429769 is a wasteful number, since it uses less digits than its factorization.

7956429769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433274.

The product of its digits is 51438240, while the sum is 64.

The square root of 7956429769 is about 89198.8215673279. The cubic root of 7956429769 is about 1996.3625358546.

The spelling of 7956429769 in words is "seven billion, nine hundred fifty-six million, four hundred twenty-nine thousand, seven hundred sixty-nine".