1337867693893 has 2 divisors, whose sum is σ = 1337867693894. Its totient is φ = 1337867693892.

The previous prime is 1337867693887. The next prime is 1337867693909. The reversal of 1337867693893 is 3983967687331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337707367649 + 160326244 = 1156593^2 + 12662^2 .

It is an emirp because it is prime and its reverse (3983967687331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1337867693893 - 2⁵ = 1337867693861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337867693093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668933846946 + 668933846947.

It is an arithmetic number, because the mean of its divisors is an integer number (668933846947).

Almost surely, 2^{1337867693893} is an apocalyptic number.

It is an amenable number.

1337867693893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337867693893 is an equidigital number, since it uses as much as digits as its factorization.

1337867693893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740710656, while the sum is 73.

The spelling of 1337867693893 in words is "one trillion, three hundred thirty-seven billion, eight hundred sixty-seven million, six hundred ninety-three thousand, eight hundred ninety-three".