3750381881 has 2 divisors, whose sum is σ = 3750381882. Its totient is φ = 3750381880.

The previous prime is 3750381851. The next prime is 3750381893. The reversal of 3750381881 is 1881830573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2855833600 + 894548281 = 53440^2 + 29909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3750381881 is a prime.

It is a super-2 number, since 2×3750381881² = 28130728506666196322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3750381851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875190940 + 1875190941.

It is an arithmetic number, because the mean of its divisors is an integer number (1875190941).

Almost surely, 2^3750381881 is an apocalyptic number.

It is an amenable number.

3750381881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750381881 is an equidigital number, since it uses as much as digits as its factorization.

3750381881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 3750381881 is about 61240.3615355102. The cubic root of 3750381881 is about 1553.6689886560.

The spelling of 3750381881 in words is "three billion, seven hundred fifty million, three hundred eighty-one thousand, eight hundred eighty-one".