3981700799 has 16 divisors (see below), whose sum is σ = 4123139328. Its totient is φ = 3842681472.

The previous prime is 3981700757. The next prime is 3981700813. The reversal of 3981700799 is 9970071893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3981700799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3981700799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981700999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239799 + ... + 2241575.

It is an arithmetic number, because the mean of its divisors is an integer number (257696208).

Almost surely, 2^3981700799 is an apocalyptic number.

3981700799 is a deficient number, since it is larger than the sum of its proper divisors (141438529).

3981700799 is a wasteful number, since it uses less digits than its factorization.

3981700799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 3981700799 is about 63100.7194808427. The cubic root of 3981700799 is about 1584.9766702706.

The spelling of 3981700799 in words is "three billion, nine hundred eighty-one million, seven hundred thousand, seven hundred ninety-nine".