3978425473696 has 12 divisors (see below), whose sum is σ = 7832525151402. Its totient is φ = 1989212736832.

The previous prime is 3978425473679. The next prime is 3978425473697. The reversal of 3978425473696 is 6963745248793.

It can be written as a sum of positive squares in only one way, i.e., 2746245552400 + 1232179921296 = 1657180^2 + 1110036^2 .

It is not an unprimeable number, because it can be changed into a prime (3978425473697) 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 as a sum of consecutive naturals, namely, 62162897995 + ... + 62162898058.

Almost surely, 2^{3978425473696} is an apocalyptic number.

It is an amenable number.

3978425473696 is a deficient number, since it is larger than the sum of its proper divisors (3854099677706).

3978425473696 is a wasteful number, since it uses less digits than its factorization.

3978425473696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124325796063 (or 124325796055 counting only the distinct ones).

The product of its digits is 1646023680, while the sum is 73.

The spelling of 3978425473696 in words is "three trillion, nine hundred seventy-eight billion, four hundred twenty-five million, four hundred seventy-three thousand, six hundred ninety-six".