3881348437 has 2 divisors, whose sum is σ = 3881348438. Its totient is φ = 3881348436.

The previous prime is 3881348423. The next prime is 3881348441. The reversal of 3881348437 is 7348431883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2254920196 + 1626428241 = 47486^2 + 40329^2 .

It is a cyclic number.

It is not a de Polignac number, because 3881348437 - 2¹⁹ = 3880824149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881348467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940674218 + 1940674219.

It is an arithmetic number, because the mean of its divisors is an integer number (1940674219).

Almost surely, 2^3881348437 is an apocalyptic number.

It is an amenable number.

3881348437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881348437 is an equidigital number, since it uses as much as digits as its factorization.

3881348437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 3881348437 is about 62300.4689950244. The cubic root of 3881348437 is about 1571.5476154959.

The spelling of 3881348437 in words is "three billion, eight hundred eighty-one million, three hundred forty-eight thousand, four hundred thirty-seven".