3981412735 has 16 divisors (see below), whose sum is σ = 4897757664. Its totient is φ = 3105827712.

The previous prime is 3981412711. The next prime is 3981412751. The reversal of 3981412735 is 5372141893.

It is a cyclic number.

It is not a de Polignac number, because 3981412735 - 2⁷ = 3981412607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3981412691 and 3981412700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892 + ... + 89281.

It is an arithmetic number, because the mean of its divisors is an integer number (306109854).

Almost surely, 2^3981412735 is an apocalyptic number.

3981412735 is a deficient number, since it is larger than the sum of its proper divisors (916344929).

3981412735 is a wasteful number, since it uses less digits than its factorization.

3981412735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92394.

The product of its digits is 181440, while the sum is 43.

The square root of 3981412735 is about 63098.4368665342. The cubic root of 3981412735 is about 1584.9384465941.

The spelling of 3981412735 in words is "three billion, nine hundred eighty-one million, four hundred twelve thousand, seven hundred thirty-five".