3781883249 has 2 divisors, whose sum is σ = 3781883250. Its totient is φ = 3781883248.

The previous prime is 3781883233. The next prime is 3781883263. The reversal of 3781883249 is 9423881873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3425995024 + 355888225 = 58532^2 + 18865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3781883249 - 2⁴ = 3781883233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3781883249.

It is not a weakly prime, because it can be changed into another prime (3781883279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890941624 + 1890941625.

It is an arithmetic number, because the mean of its divisors is an integer number (1890941625).

Almost surely, 2^3781883249 is an apocalyptic number.

It is an amenable number.

3781883249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3781883249 is an equidigital number, since it uses as much as digits as its factorization.

3781883249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 3781883249 is about 61497.0182122678. The cubic root of 3781883249 is about 1558.0068849416.

The spelling of 3781883249 in words is "three billion, seven hundred eighty-one million, eight hundred eighty-three thousand, two hundred forty-nine".