378815782413 has 8 divisors (see below), whose sum is σ = 506322644800. Its totient is φ = 251926387488.

The previous prime is 378815782363. The next prime is 378815782451. The reversal of 378815782413 is 314287518873.

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

It is not a de Polignac number, because 378815782413 - 2¹⁴ = 378815766029 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 (378815782463) 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, 154365433 + ... + 154367886.

It is an arithmetic number, because the mean of its divisors is an integer number (63290330600).

Almost surely, 2^378815782413 is an apocalyptic number.

It is an amenable number.

378815782413 is a deficient number, since it is larger than the sum of its proper divisors (127506862387).

378815782413 is a wasteful number, since it uses less digits than its factorization.

378815782413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308733731.

The product of its digits is 9031680, while the sum is 57.

The spelling of 378815782413 in words is "three hundred seventy-eight billion, eight hundred fifteen million, seven hundred eighty-two thousand, four hundred thirteen".