3945303265 has 8 divisors (see below), whose sum is σ = 4734740520. Its totient is φ = 3155991552.

The previous prime is 3945303259. The next prime is 3945303311. The reversal of 3945303265 is 5623035493.

It can be written as a sum of positive squares in 4 ways, for example, as 650658064 + 3294645201 = 25508^2 + 57399^2 .

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 3945303265 - 2¹⁷ = 3945172193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64257 + ... + 109633.

It is an arithmetic number, because the mean of its divisors is an integer number (591842565).

Almost surely, 2^3945303265 is an apocalyptic number.

It is an amenable number.

3945303265 is a deficient number, since it is larger than the sum of its proper divisors (789437255).

3945303265 is a wasteful number, since it uses less digits than its factorization.

3945303265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62771.

The product of its (nonzero) digits is 291600, while the sum is 40.

The square root of 3945303265 is about 62811.6491186149. The cubic root of 3945303265 is about 1580.1323481776.

The spelling of 3945303265 in words is "three billion, nine hundred forty-five million, three hundred three thousand, two hundred sixty-five".