378860662193 has 16 divisors (see below), whose sum is σ = 415738990800. Its totient is φ = 343088538624.

The previous prime is 378860662189. The next prime is 378860662223. The reversal of 378860662193 is 391266068873.

It can be written as a sum of positive squares in 8 ways, for example, as 3689712049 + 375170950144 = 60743^2 + 612512^2 .

It is not a de Polignac number, because 378860662193 - 2² = 378860662189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378860662493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12006605 + ... + 12038117.

It is an arithmetic number, because the mean of its divisors is an integer number (25983686925).

Almost surely, 2^378860662193 is an apocalyptic number.

It is an amenable number.

378860662193 is a deficient number, since it is larger than the sum of its proper divisors (36878328607).

378860662193 is a wasteful number, since it uses less digits than its factorization.

378860662193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49028.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 378860662193 in words is "three hundred seventy-eight billion, eight hundred sixty million, six hundred sixty-two thousand, one hundred ninety-three".