3973512385 has 8 divisors (see below), whose sum is σ = 4839382656. Its totient is φ = 3131364720.

The previous prime is 3973512379. The next prime is 3973512397. The reversal of 3973512385 is 5832153793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3973512385 - 2⁹ = 3973511873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5930281 + ... + 5930950.

It is an arithmetic number, because the mean of its divisors is an integer number (604922832).

Almost surely, 2^3973512385 is an apocalyptic number.

It is an amenable number.

3973512385 is a deficient number, since it is larger than the sum of its proper divisors (865870271).

3973512385 is a wasteful number, since it uses less digits than its factorization.

3973512385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11861303.

The product of its digits is 680400, while the sum is 46.

The square root of 3973512385 is about 63035.8024062516. The cubic root of 3973512385 is about 1583.8894169615.

The spelling of 3973512385 in words is "three billion, nine hundred seventy-three million, five hundred twelve thousand, three hundred eighty-five".