3745937545897 has 2 divisors, whose sum is σ = 3745937545898. Its totient is φ = 3745937545896.

The previous prime is 3745937545891. The next prime is 3745937545921. The reversal of 3745937545897 is 7985457395473.

3745937545897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2824066806016 + 921870739881 = 1680496^2 + 960141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745937545897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3745937545891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872968772948 + 1872968772949.

It is an arithmetic number, because the mean of its divisors is an integer number (1872968772949).

Almost surely, 2^{3745937545897} is an apocalyptic number.

It is an amenable number.

3745937545897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745937545897 is an equidigital number, since it uses as much as digits as its factorization.

3745937545897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752000, while the sum is 76.

The spelling of 3745937545897 in words is "three trillion, seven hundred forty-five billion, nine hundred thirty-seven million, five hundred forty-five thousand, eight hundred ninety-seven".