378106084669 has 2 divisors, whose sum is σ = 378106084670. Its totient is φ = 378106084668.

The previous prime is 378106084661. The next prime is 378106084691. The reversal of 378106084669 is 966480601873.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230006568100 + 148099516569 = 479590^2 + 384837^2 .

It is a cyclic number.

It is not a de Polignac number, because 378106084669 - 2³ = 378106084661 is a prime.

It is a super-2 number, since 2×378106084669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378106084661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189053042334 + 189053042335.

It is an arithmetic number, because the mean of its divisors is an integer number (189053042335).

Almost surely, 2^378106084669 is an apocalyptic number.

It is an amenable number.

378106084669 is a deficient number, since it is larger than the sum of its proper divisors (1).

378106084669 is an equidigital number, since it uses as much as digits as its factorization.

378106084669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 378106084669 in words is "three hundred seventy-eight billion, one hundred six million, eighty-four thousand, six hundred sixty-nine".