1394549434913 has 2 divisors, whose sum is σ = 1394549434914. Its totient is φ = 1394549434912.

The previous prime is 1394549434867. The next prime is 1394549434981. The reversal of 1394549434913 is 3194349454931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1118701789969 + 275847644944 = 1057687^2 + 525212^2 .

It is an emirp because it is prime and its reverse (3194349454931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1394549434913 - 2¹⁰ = 1394549433889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1394549434813) 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, 697274717456 + 697274717457.

It is an arithmetic number, because the mean of its divisors is an integer number (697274717457).

Almost surely, 2^{1394549434913} is an apocalyptic number.

It is an amenable number.

1394549434913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394549434913 is an equidigital number, since it uses as much as digits as its factorization.

1394549434913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 59.

The spelling of 1394549434913 in words is "one trillion, three hundred ninety-four billion, five hundred forty-nine million, four hundred thirty-four thousand, nine hundred thirteen".