1704903640493 has 2 divisors, whose sum is σ = 1704903640494. Its totient is φ = 1704903640492.

The previous prime is 1704903640477. The next prime is 1704903640541. The reversal of 1704903640493 is 3940463094071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1174334166889 + 530569473604 = 1083667^2 + 728402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1704903640493 - 2⁴ = 1704903640477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1704903645493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852451820246 + 852451820247.

It is an arithmetic number, because the mean of its divisors is an integer number (852451820247).

Almost surely, 2^{1704903640493} is an apocalyptic number.

It is an amenable number.

1704903640493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1704903640493 is an equidigital number, since it uses as much as digits as its factorization.

1704903640493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 1704903640493 in words is "one trillion, seven hundred four billion, nine hundred three million, six hundred forty thousand, four hundred ninety-three".