3936148847 has 4 divisors (see below), whose sum is σ = 3956129496. Its totient is φ = 3916168200.

The previous prime is 3936148841. The next prime is 3936148883. The reversal of 3936148847 is 7488416393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7488416393 = 97 ⋅77200169.

It is a cyclic number.

It is not a de Polignac number, because 3936148847 - 2¹⁰ = 3936147823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936148841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9990029 + ... + 9990422.

It is an arithmetic number, because the mean of its divisors is an integer number (989032374).

Almost surely, 2^3936148847 is an apocalyptic number.

3936148847 is a deficient number, since it is larger than the sum of its proper divisors (19980649).

3936148847 is a wasteful number, since it uses less digits than its factorization.

3936148847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980648.

The product of its digits is 3483648, while the sum is 53.

The square root of 3936148847 is about 62738.7348214801. The cubic root of 3936148847 is about 1578.9092572004.

The spelling of 3936148847 in words is "three billion, nine hundred thirty-six million, one hundred forty-eight thousand, eight hundred forty-seven".