3945577305 has 8 divisors (see below), whose sum is σ = 6312923712. Its totient is φ = 2104307888.

The previous prime is 3945577303. The next prime is 3945577319. The reversal of 3945577305 is 5037755493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3945577305 - 2¹ = 3945577303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3945577303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 131519229 + ... + 131519258.

It is an arithmetic number, because the mean of its divisors is an integer number (789115464).

Almost surely, 2^3945577305 is an apocalyptic number.

It is an amenable number.

3945577305 is a deficient number, since it is larger than the sum of its proper divisors (2367346407).

3945577305 is a wasteful number, since it uses less digits than its factorization.

3945577305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263038495.

The product of its (nonzero) digits is 1984500, while the sum is 48.

The square root of 3945577305 is about 62813.8305232216. The cubic root of 3945577305 is about 1580.1689325594.

The spelling of 3945577305 in words is "three billion, nine hundred forty-five million, five hundred seventy-seven thousand, three hundred five".