3820413949 has 12 divisors (see below), whose sum is σ = 4236475068. Its totient is φ = 3442355840.

The previous prime is 3820413931. The next prime is 3820414001. The reversal of 3820413949 is 9493140283.

It can be written as a sum of positive squares in 2 ways, for example, as 660849849 + 3159564100 = 25707^2 + 56210^2 .

It is not a de Polignac number, because 3820413949 - 2⁹ = 3820413437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820413449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126034 + ... + 153379.

It is an arithmetic number, because the mean of its divisors is an integer number (353039589).

Almost surely, 2^3820413949 is an apocalyptic number.

It is an amenable number.

3820413949 is a deficient number, since it is larger than the sum of its proper divisors (416061119).

3820413949 is a wasteful number, since it uses less digits than its factorization.

3820413949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279548 (or 279537 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 3820413949 is about 61809.4972395020. The cubic root of 3820413949 is about 1563.2801282679.

The spelling of 3820413949 in words is "three billion, eight hundred twenty million, four hundred thirteen thousand, nine hundred forty-nine".