1378132333939 has 2 divisors, whose sum is σ = 1378132333940. Its totient is φ = 1378132333938.

The previous prime is 1378132333937. The next prime is 1378132333961. The reversal of 1378132333939 is 9393332318731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1378132333939 - 2¹ = 1378132333937 is a prime.

It is a super-2 number, since 2×1378132333939² (a number of 25 digits) contains 22 as substring.

Together with 1378132333937, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1378132333939.

It is not a weakly prime, because it can be changed into another prime (1378132333933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689066166969 + 689066166970.

It is an arithmetic number, because the mean of its divisors is an integer number (689066166970).

Almost surely, 2^{1378132333939} is an apocalyptic number.

1378132333939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378132333939 is an equidigital number, since it uses as much as digits as its factorization.

1378132333939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 55.

The spelling of 1378132333939 in words is "one trillion, three hundred seventy-eight billion, one hundred thirty-two million, three hundred thirty-three thousand, nine hundred thirty-nine".