3915978346113 has 8 divisors (see below), whose sum is σ = 5221315473408. Its totient is φ = 2610646724784.

The previous prime is 3915978346099. The next prime is 3915978346141. The reversal of 3915978346113 is 3116438795193.

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

It is not a de Polignac number, because 3915978346113 - 2¹⁰ = 3915978345089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3915978346153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754195 + ... + 2898407.

It is an arithmetic number, because the mean of its divisors is an integer number (652664434176).

Almost surely, 2^{3915978346113} is an apocalyptic number.

It is an amenable number.

3915978346113 is a deficient number, since it is larger than the sum of its proper divisors (1305337127295).

3915978346113 is a wasteful number, since it uses less digits than its factorization.

3915978346113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752983.

The product of its digits is 14696640, while the sum is 60.

The spelling of 3915978346113 in words is "three trillion, nine hundred fifteen billion, nine hundred seventy-eight million, three hundred forty-six thousand, one hundred thirteen".