3945273275 has 12 divisors (see below), whose sum is σ = 4893554352. Its totient is φ = 3155305440.

The previous prime is 3945273251. The next prime is 3945273289. The reversal of 3945273275 is 5723725493.

It is not a de Polignac number, because 3945273275 - 2¹² = 3945269179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73229 + ... + 115121.

It is an arithmetic number, because the mean of its divisors is an integer number (407796196).

Almost surely, 2^3945273275 is an apocalyptic number.

3945273275 is a deficient number, since it is larger than the sum of its proper divisors (948281077).

3945273275 is a wasteful number, since it uses less digits than its factorization.

3945273275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45670 (or 45665 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 47.

The square root of 3945273275 is about 62811.4103885592. The cubic root of 3945273275 is about 1580.1283444052.

The spelling of 3945273275 in words is "three billion, nine hundred forty-five million, two hundred seventy-three thousand, two hundred seventy-five".