3845873137 has 2 divisors, whose sum is σ = 3845873138. Its totient is φ = 3845873136.

The previous prime is 3845873123. The next prime is 3845873147. The reversal of 3845873137 is 7313785483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999967841 + 1845905296 = 44721^2 + 42964^2 .

It is a cyclic number.

It is not a de Polignac number, because 3845873137 - 2³¹ = 1698389489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3845873147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922936568 + 1922936569.

It is an arithmetic number, because the mean of its divisors is an integer number (1922936569).

Almost surely, 2^3845873137 is an apocalyptic number.

It is an amenable number.

3845873137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845873137 is an equidigital number, since it uses as much as digits as its factorization.

3845873137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 3845873137 is about 62015.1041037585. The cubic root of 3845873137 is about 1566.7450023654.

The spelling of 3845873137 in words is "three billion, eight hundred forty-five million, eight hundred seventy-three thousand, one hundred thirty-seven".