1378233870803 has 2 divisors, whose sum is σ = 1378233870804. Its totient is φ = 1378233870802.

The previous prime is 1378233870787. The next prime is 1378233870883. The reversal of 1378233870803 is 3080783328731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3080783328731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1378233870803 - 2⁴ = 1378233870787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1378233870883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689116935401 + 689116935402.

It is an arithmetic number, because the mean of its divisors is an integer number (689116935402).

Almost surely, 2^{1378233870803} is an apocalyptic number.

1378233870803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378233870803 is an equidigital number, since it uses as much as digits as its factorization.

1378233870803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1378233870803 in words is "one trillion, three hundred seventy-eight billion, two hundred thirty-three million, eight hundred seventy thousand, eight hundred three".