3941348015849 has 2 divisors, whose sum is σ = 3941348015850. Its totient is φ = 3941348015848.

The previous prime is 3941348015809. The next prime is 3941348015897. The reversal of 3941348015849 is 9485108431493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2919313960000 + 1022034055849 = 1708600^2 + 1010957^2 .

It is an emirp because it is prime and its reverse (9485108431493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3941348015849 - 2²⁸ = 3941079580393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3941348015809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970674007924 + 1970674007925.

It is an arithmetic number, because the mean of its divisors is an integer number (1970674007925).

Almost surely, 2^{3941348015849} is an apocalyptic number.

It is an amenable number.

3941348015849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941348015849 is an equidigital number, since it uses as much as digits as its factorization.

3941348015849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 3941348015849 in words is "three trillion, nine hundred forty-one billion, three hundred forty-eight million, fifteen thousand, eight hundred forty-nine".