3981511473 has 8 divisors (see below), whose sum is σ = 5310022848. Its totient is φ = 2653670544.

The previous prime is 3981511463. The next prime is 3981511483. The reversal of 3981511473 is 3741151893.

It is an interprime number because it is at equal distance from previous prime (3981511463) and next prime (3981511483).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3981511473 - 2⁸ = 3981511217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3981511403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153586 + ... + 177627.

It is an arithmetic number, because the mean of its divisors is an integer number (663752856).

Almost surely, 2^3981511473 is an apocalyptic number.

It is an amenable number.

3981511473 is a deficient number, since it is larger than the sum of its proper divisors (1328511375).

3981511473 is a wasteful number, since it uses less digits than its factorization.

3981511473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335223.

The product of its digits is 90720, while the sum is 42.

The square root of 3981511473 is about 63099.2192740924. The cubic root of 3981511473 is about 1584.9515485061.

The spelling of 3981511473 in words is "three billion, nine hundred eighty-one million, five hundred eleven thousand, four hundred seventy-three".