3981356199 has 8 divisors (see below), whose sum is σ = 5898305520. Its totient is φ = 2654237448.

The previous prime is 3981356153. The next prime is 3981356221. The reversal of 3981356199 is 9916531893.

3981356199 is a `hidden beast` number, since 3 + 9 + 8 + 13 + 5 + 619 + 9 = 666.

It is not a de Polignac number, because 3981356199 - 2²⁴ = 3964578983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981356149) 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 in 7 ways as a sum of consecutive naturals, for example, 73728792 + ... + 73728845.

It is an arithmetic number, because the mean of its divisors is an integer number (737288190).

Almost surely, 2^3981356199 is an apocalyptic number.

3981356199 is a deficient number, since it is larger than the sum of its proper divisors (1916949321).

3981356199 is a wasteful number, since it uses less digits than its factorization.

3981356199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147457646 (or 147457640 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 3981356199 is about 63097.9888665241. The cubic root of 3981356199 is about 1584.9309445247.

The spelling of 3981356199 in words is "three billion, nine hundred eighty-one million, three hundred fifty-six thousand, one hundred ninety-nine".