1693742964673 has 2 divisors, whose sum is σ = 1693742964674. Its totient is φ = 1693742964672.

The previous prime is 1693742964643. The next prime is 1693742964703. The reversal of 1693742964673 is 3764692473961.

It is a balanced prime because it is at equal distance from previous prime (1693742964643) and next prime (1693742964703).

It can be written as a sum of positive squares in only one way, i.e., 1576975873729 + 116767090944 = 1255777^2 + 341712^2 .

It is an emirp because it is prime and its reverse (3764692473961) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1693742964673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1693742964599 and 1693742964608.

It is not a weakly prime, because it can be changed into another prime (1693742964643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846871482336 + 846871482337.

It is an arithmetic number, because the mean of its divisors is an integer number (846871482337).

Almost surely, 2^{1693742964673} is an apocalyptic number.

It is an amenable number.

1693742964673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693742964673 is an equidigital number, since it uses as much as digits as its factorization.

1693742964673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246903552, while the sum is 67.

The spelling of 1693742964673 in words is "one trillion, six hundred ninety-three billion, seven hundred forty-two million, nine hundred sixty-four thousand, six hundred seventy-three".