3985093651 has 8 divisors (see below), whose sum is σ = 4968428544. Its totient is φ = 3105267720.

The previous prime is 3985093639. The next prime is 3985093681. The reversal of 3985093651 is 1563905893.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3985093651 - 2¹⁵ = 3985060883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3985093595 and 3985093604.

It is not an unprimeable number, because it can be changed into a prime (3985093631) 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 7 ways as a sum of consecutive naturals, for example, 25877155 + ... + 25877308.

It is an arithmetic number, because the mean of its divisors is an integer number (621053568).

Almost surely, 2^3985093651 is an apocalyptic number.

3985093651 is a deficient number, since it is larger than the sum of its proper divisors (983334893).

3985093651 is a wasteful number, since it uses less digits than its factorization.

3985093651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51754481.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 3985093651 is about 63127.5981722733. The cubic root of 3985093651 is about 1585.4267346045.

It can be divided in two parts, 398 and 5093651, that added together give a square (5094049 = 2257²).

The spelling of 3985093651 in words is "three billion, nine hundred eighty-five million, ninety-three thousand, six hundred fifty-one".