3945273276 has 24 divisors (see below), whose sum is σ = 10520728960. Its totient is φ = 1127220912.

The previous prime is 3945273251. The next prime is 3945273289. The reversal of 3945273276 is 6723725493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23483686 + ... + 23483853.

Almost surely, 2^3945273276 is an apocalyptic number.

It is an amenable number.

3945273276 is an abundant number, since it is smaller than the sum of its proper divisors (6575455684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3945273276 is a wasteful number, since it uses less digits than its factorization.

3945273276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46967553 (or 46967551 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The square root of 3945273276 is about 62811.4103965195. The cubic root of 3945273276 is about 1580.1283445387.

The spelling of 3945273276 in words is "three billion, nine hundred forty-five million, two hundred seventy-three thousand, two hundred seventy-six".