378681413459 has 4 divisors (see below), whose sum is σ = 378705474000. Its totient is φ = 378657352920.

The previous prime is 378681413443. The next prime is 378681413519. The reversal of 378681413459 is 954314186873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954314186873 = 19 ⋅50227062467.

It is a cyclic number.

It is not a de Polignac number, because 378681413459 - 2⁴ = 378681413443 is a prime.

It is a super-2 number, since 2×378681413459² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378681413398 and 378681413407.

It is not an unprimeable number, because it can be changed into a prime (378681413659) 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, 12006647 + ... + 12038144.

It is an arithmetic number, because the mean of its divisors is an integer number (94676368500).

Almost surely, 2^378681413459 is an apocalyptic number.

378681413459 is a deficient number, since it is larger than the sum of its proper divisors (24060541).

378681413459 is a wasteful number, since it uses less digits than its factorization.

378681413459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24060540.

The product of its digits is 17418240, while the sum is 59.

The spelling of 378681413459 in words is "three hundred seventy-eight billion, six hundred eighty-one million, four hundred thirteen thousand, four hundred fifty-nine".