3981058633 has 4 divisors (see below), whose sum is σ = 3982691988. Its totient is φ = 3979425280.

The previous prime is 3981058621. The next prime is 3981058639. The reversal of 3981058633 is 3368501893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212080969 + 3768977664 = 14563^2 + 61392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3981058633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981058639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813016 + ... + 817897.

It is an arithmetic number, because the mean of its divisors is an integer number (995672997).

Almost surely, 2^3981058633 is an apocalyptic number.

It is an amenable number.

3981058633 is a deficient number, since it is larger than the sum of its proper divisors (1633355).

3981058633 is a wasteful number, since it uses less digits than its factorization.

3981058633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633354.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 3981058633 is about 63095.6308550759. The cubic root of 3981058633 is about 1584.8914577026.

The spelling of 3981058633 in words is "three billion, nine hundred eighty-one million, fifty-eight thousand, six hundred thirty-three".