378598701389 has 2 divisors, whose sum is σ = 378598701390. Its totient is φ = 378598701388.

The previous prime is 378598701367. The next prime is 378598701443. The reversal of 378598701389 is 983107895873.

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., 365954823364 + 12643878025 = 604942^2 + 112445^2 .

It is an emirp because it is prime and its reverse (983107895873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378598701389 - 2²⁴ = 378581924173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378598701359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189299350694 + 189299350695.

It is an arithmetic number, because the mean of its divisors is an integer number (189299350695).

Almost surely, 2^378598701389 is an apocalyptic number.

It is an amenable number.

378598701389 is a deficient number, since it is larger than the sum of its proper divisors (1).

378598701389 is an equidigital number, since it uses as much as digits as its factorization.

378598701389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 68.

The spelling of 378598701389 in words is "three hundred seventy-eight billion, five hundred ninety-eight million, seven hundred one thousand, three hundred eighty-nine".