3897380741 has 2 divisors, whose sum is σ = 3897380742. Its totient is φ = 3897380740.

The previous prime is 3897380701. The next prime is 3897380743. The reversal of 3897380741 is 1470837983.

3897380741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3072484900 + 824895841 = 55430^2 + 28721^2 .

It is a cyclic number.

It is not a de Polignac number, because 3897380741 - 2⁶ = 3897380677 is a prime.

Together with 3897380743, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3897380741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3897380743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948690370 + 1948690371.

It is an arithmetic number, because the mean of its divisors is an integer number (1948690371).

Almost surely, 2^3897380741 is an apocalyptic number.

It is an amenable number.

3897380741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3897380741 is an equidigital number, since it uses as much as digits as its factorization.

3897380741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 3897380741 is about 62429.0056063686. The cubic root of 3897380741 is about 1573.7084553881.

The spelling of 3897380741 in words is "three billion, eight hundred ninety-seven million, three hundred eighty thousand, seven hundred forty-one".