3946541013 has 6 divisors (see below), whose sum is σ = 5700559254. Its totient is φ = 2631027336.

The previous prime is 3946541003. The next prime is 3946541063. The reversal of 3946541013 is 3101456493.

It can be written as a sum of positive squares in only one way, i.e., 3912877809 + 33663204 = 62553^2 + 5802^2 .

It is not a de Polignac number, because 3946541013 - 2⁵ = 3946540981 is a prime.

It is a super-3 number, since 3×3946541013³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946541003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219252270 + ... + 219252287.

It is an arithmetic number, because the mean of its divisors is an integer number (950093209).

Almost surely, 2^3946541013 is an apocalyptic number.

It is an amenable number.

3946541013 is a deficient number, since it is larger than the sum of its proper divisors (1754018241).

3946541013 is a wasteful number, since it uses less digits than its factorization.

3946541013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438504563 (or 438504560 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3946541013 is about 62821.5011998281. The cubic root of 3946541013 is about 1580.2975742729.

The spelling of 3946541013 in words is "three billion, nine hundred forty-six million, five hundred forty-one thousand, thirteen".