3881916337 has 8 divisors (see below), whose sum is σ = 4181189096. Its totient is φ = 3582738432.

The previous prime is 3881916329. The next prime is 3881916341. The reversal of 3881916337 is 7336191883.

It can be written as a sum of positive squares in 4 ways, for example, as 1542839841 + 2339076496 = 39279^2 + 48364^2 .

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

It is not a de Polignac number, because 3881916337 - 2³ = 3881916329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881916347) 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, 77233 + ... + 117169.

It is an arithmetic number, because the mean of its divisors is an integer number (522648637).

Almost surely, 2^3881916337 is an apocalyptic number.

It is an amenable number.

3881916337 is a deficient number, since it is larger than the sum of its proper divisors (299272759).

3881916337 is a wasteful number, since it uses less digits than its factorization.

3881916337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47427.

The product of its digits is 653184, while the sum is 49.

The square root of 3881916337 is about 62305.0265789206. The cubic root of 3881916337 is about 1571.6242588224.

The spelling of 3881916337 in words is "three billion, eight hundred eighty-one million, nine hundred sixteen thousand, three hundred thirty-seven".