3912686425 has 12 divisors (see below), whose sum is σ = 5137127676. Its totient is φ = 2946022400.

The previous prime is 3912686413. The next prime is 3912686429. The reversal of 3912686425 is 5246862193.

It can be written as a sum of positive squares in 6 ways, for example, as 388720656 + 3523965769 = 19716^2 + 59363^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3912686425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3912686429) 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 11 ways as a sum of consecutive naturals, for example, 4602736 + ... + 4603585.

It is an arithmetic number, because the mean of its divisors is an integer number (428093973).

Almost surely, 2^3912686425 is an apocalyptic number.

It is an amenable number.

3912686425 is a deficient number, since it is larger than the sum of its proper divisors (1224441251).

3912686425 is a wasteful number, since it uses less digits than its factorization.

3912686425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206348 (or 9206343 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 3912686425 is about 62551.4702065427. The cubic root of 3912686425 is about 1575.7658390250.

The spelling of 3912686425 in words is "three billion, nine hundred twelve million, six hundred eighty-six thousand, four hundred twenty-five".