3780331257541 has 2 divisors, whose sum is σ = 3780331257542. Its totient is φ = 3780331257540.

The previous prime is 3780331257503. The next prime is 3780331257611. The reversal of 3780331257541 is 1457521330873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3769752312225 + 10578945316 = 1941585^2 + 102854^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780331257541 - 2⁹ = 3780331257029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780331254541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890165628770 + 1890165628771.

It is an arithmetic number, because the mean of its divisors is an integer number (1890165628771).

Almost surely, 2^{3780331257541} is an apocalyptic number.

It is an amenable number.

3780331257541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780331257541 is an equidigital number, since it uses as much as digits as its factorization.

3780331257541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 3780331257541 in words is "three trillion, seven hundred eighty billion, three hundred thirty-one million, two hundred fifty-seven thousand, five hundred forty-one".