3750881110421 has 2 divisors, whose sum is σ = 3750881110422. Its totient is φ = 3750881110420.

The previous prime is 3750881110331. The next prime is 3750881110451. The reversal of 3750881110421 is 1240111880573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2370103356196 + 1380777754225 = 1539514^2 + 1175065^2 .

It is a cyclic number.

It is not a de Polignac number, because 3750881110421 - 2¹⁸ = 3750880848277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3750881110451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875440555210 + 1875440555211.

It is an arithmetic number, because the mean of its divisors is an integer number (1875440555211).

Almost surely, 2^{3750881110421} is an apocalyptic number.

It is an amenable number.

3750881110421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750881110421 is an equidigital number, since it uses as much as digits as its factorization.

3750881110421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 41.

Adding to 3750881110421 its reverse (1240111880573), we get a palindrome (4990992990994).

The spelling of 3750881110421 in words is "three trillion, seven hundred fifty billion, eight hundred eighty-one million, one hundred ten thousand, four hundred twenty-one".