1372773786493 has 2 divisors, whose sum is σ = 1372773786494. Its totient is φ = 1372773786492.

The previous prime is 1372773786427. The next prime is 1372773786617. The reversal of 1372773786493 is 3946873772731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710247788644 + 662525997849 = 842762^2 + 813957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372773786493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372773786793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686386893246 + 686386893247.

It is an arithmetic number, because the mean of its divisors is an integer number (686386893247).

Almost surely, 2^{1372773786493} is an apocalyptic number.

It is an amenable number.

1372773786493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372773786493 is an equidigital number, since it uses as much as digits as its factorization.

1372773786493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224042112, while the sum is 67.

The spelling of 1372773786493 in words is "one trillion, three hundred seventy-two billion, seven hundred seventy-three million, seven hundred eighty-six thousand, four hundred ninety-three".