7949083969 has 4 divisors (see below), whose sum is σ = 7958403796. Its totient is φ = 7939764144.

The previous prime is 7949083963. The next prime is 7949083973. The reversal of 7949083969 is 9693809497.

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 1614834225 + 6334249744 = 40185^2 + 79588^2 .

It is a cyclic number.

It is not a de Polignac number, because 7949083969 - 2⁵ = 7949083937 is a prime.

It is a super-2 number, since 2×7949083969² (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 7949083969.

It is not an unprimeable number, because it can be changed into a prime (7949083963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658634 + ... + 4660339.

It is an arithmetic number, because the mean of its divisors is an integer number (1989600949).

Almost surely, 2^7949083969 is an apocalyptic number.

It is an amenable number.

7949083969 is a deficient number, since it is larger than the sum of its proper divisors (9319827).

7949083969 is an equidigital number, since it uses as much as digits as its factorization.

7949083969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319826.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The square root of 7949083969 is about 89157.6355058836. The cubic root of 7949083969 is about 1995.7479639176.

The spelling of 7949083969 in words is "seven billion, nine hundred forty-nine million, eighty-three thousand, nine hundred sixty-nine".