3981742977433 has 8 divisors (see below), whose sum is σ = 4288049732288. Its totient is φ = 3675438913104.

The previous prime is 3981742977403. The next prime is 3981742977463. The reversal of 3981742977433 is 3347792471893.

It is an interprime number because it is at equal distance from previous prime (3981742977403) and next prime (3981742977463).

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 3981742977433 - 2³⁷ = 3844304023961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981742977403) 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, 3247060 + ... + 4301962.

It is an arithmetic number, because the mean of its divisors is an integer number (536006216536).

Almost surely, 2^{3981742977433} is an apocalyptic number.

It is an amenable number.

3981742977433 is a deficient number, since it is larger than the sum of its proper divisors (306306754855).

3981742977433 is a wasteful number, since it uses less digits than its factorization.

3981742977433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345263.

The product of its digits is 192036096, while the sum is 67.

The spelling of 3981742977433 in words is "three trillion, nine hundred eighty-one billion, seven hundred forty-two million, nine hundred seventy-seven thousand, four hundred thirty-three".