3929474069 has 2 divisors, whose sum is σ = 3929474070. Its totient is φ = 3929474068.

The previous prime is 3929474023. The next prime is 3929474173. The reversal of 3929474069 is 9604749293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3789879844 + 139594225 = 61562^2 + 11815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3929474069 is a prime.

It is a super-2 number, since 2×3929474069² = 30881532917886833522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3929474069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3929474669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964737034 + 1964737035.

It is an arithmetic number, because the mean of its divisors is an integer number (1964737035).

Almost surely, 2^3929474069 is an apocalyptic number.

It is an amenable number.

3929474069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3929474069 is an equidigital number, since it uses as much as digits as its factorization.

3929474069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 3929474069 is about 62685.5172188920. The cubic root of 3929474069 is about 1578.0162666196.

The spelling of 3929474069 in words is "three billion, nine hundred twenty-nine million, four hundred seventy-four thousand, sixty-nine".