3852172939 has 2 divisors, whose sum is σ = 3852172940. Its totient is φ = 3852172938.

The previous prime is 3852172937. The next prime is 3852172949. The reversal of 3852172939 is 9392712583.

It is a weak prime.

It is an emirp because it is prime and its reverse (9392712583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3852172939 - 2¹ = 3852172937 is a prime.

Together with 3852172937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3852172892 and 3852172901.

It is not a weakly prime, because it can be changed into another prime (3852172937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926086469 + 1926086470.

It is an arithmetic number, because the mean of its divisors is an integer number (1926086470).

Almost surely, 2^3852172939 is an apocalyptic number.

3852172939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3852172939 is an equidigital number, since it uses as much as digits as its factorization.

3852172939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 3852172939 is about 62065.8758014418. The cubic root of 3852172939 is about 1567.6000140020.

The spelling of 3852172939 in words is "three billion, eight hundred fifty-two million, one hundred seventy-two thousand, nine hundred thirty-nine".