378451906562 has 16 divisors (see below), whose sum is σ = 597594134400. Its totient is φ = 179255144880.

The previous prime is 378451906561. The next prime is 378451906631. The reversal of 378451906562 is 265609154873.

It is a junction number, because it is equal to n+sod(n) for n = 378451906498 and 378451906507.

It is not an unprimeable number, because it can be changed into a prime (378451906561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292112 + ... + 917732.

It is an arithmetic number, because the mean of its divisors is an integer number (37349633400).

It is a 2-persistent number, because it is pandigital, and so is 2⋅378451906562 = 756903813124, but 3⋅378451906562 = 1135355719686 is not.

Almost surely, 2^378451906562 is an apocalyptic number.

378451906562 is a deficient number, since it is larger than the sum of its proper divisors (219142227838).

378451906562 is a wasteful number, since it uses less digits than its factorization.

378451906562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641561.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 378451906562 in words is "three hundred seventy-eight billion, four hundred fifty-one million, nine hundred six thousand, five hundred sixty-two".