378832831369 has 2 divisors, whose sum is σ = 378832831370. Its totient is φ = 378832831368.

The previous prime is 378832831343. The next prime is 378832831439. The reversal of 378832831369 is 963138238873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357227359225 + 21605472144 = 597685^2 + 146988^2 .

It is an emirp because it is prime and its reverse (963138238873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378832831369 - 2¹⁵ = 378832798601 is a prime.

It is a super-2 number, since 2×378832831369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (378832831319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189416415684 + 189416415685.

It is an arithmetic number, because the mean of its divisors is an integer number (189416415685).

Almost surely, 2^378832831369 is an apocalyptic number.

It is an amenable number.

378832831369 is a deficient number, since it is larger than the sum of its proper divisors (1).

378832831369 is an equidigital number, since it uses as much as digits as its factorization.

378832831369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The spelling of 378832831369 in words is "three hundred seventy-eight billion, eight hundred thirty-two million, eight hundred thirty-one thousand, three hundred sixty-nine".