1693424405213 has 2 divisors, whose sum is σ = 1693424405214. Its totient is φ = 1693424405212.

The previous prime is 1693424405209. The next prime is 1693424405237. The reversal of 1693424405213 is 3125044243961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1514172087289 + 179252317924 = 1230517^2 + 423382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1693424405213 - 2² = 1693424405209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1693424405243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846712202606 + 846712202607.

It is an arithmetic number, because the mean of its divisors is an integer number (846712202607).

Almost surely, 2^{1693424405213} is an apocalyptic number.

It is an amenable number.

1693424405213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693424405213 is an equidigital number, since it uses as much as digits as its factorization.

1693424405213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 1693424405213 in words is "one trillion, six hundred ninety-three billion, four hundred twenty-four million, four hundred five thousand, two hundred thirteen".