378735929939 has 8 divisors (see below), whose sum is σ = 381663522240. Its totient is φ = 375808890600.

The previous prime is 378735929933. The next prime is 378735929951. The reversal of 378735929939 is 939929537873.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378735929939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378735929933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293992 + ... + 1559450.

It is an arithmetic number, because the mean of its divisors is an integer number (47707940280).

Almost surely, 2^378735929939 is an apocalyptic number.

378735929939 is a deficient number, since it is larger than the sum of its proper divisors (2927592301).

378735929939 is a wasteful number, since it uses less digits than its factorization.

378735929939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276481.

The product of its digits is 694416240, while the sum is 74.

The spelling of 378735929939 in words is "three hundred seventy-eight billion, seven hundred thirty-five million, nine hundred twenty-nine thousand, nine hundred thirty-nine".