3945915356 has 12 divisors (see below), whose sum is σ = 7311549168. Its totient is φ = 1856901312.

The previous prime is 3945915343. The next prime is 3945915361. The reversal of 3945915356 is 6535195493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29014016 + ... + 29014151.

It is an arithmetic number, because the mean of its divisors is an integer number (609295764).

Almost surely, 2^3945915356 is an apocalyptic number.

It is an amenable number.

3945915356 is a deficient number, since it is larger than the sum of its proper divisors (3365633812).

3945915356 is a wasteful number, since it uses less digits than its factorization.

3945915356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58028188 (or 58028186 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 50.

The square root of 3945915356 is about 62816.5213618201. The cubic root of 3945915356 is about 1580.2140600859.

The spelling of 3945915356 in words is "three billion, nine hundred forty-five million, nine hundred fifteen thousand, three hundred fifty-six".