1740451770493 has 2 divisors, whose sum is σ = 1740451770494. Its totient is φ = 1740451770492.

The previous prime is 1740451770413. The next prime is 1740451770523. The reversal of 1740451770493 is 3940771540471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478551425849 + 261900344644 = 1215957^2 + 511762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1740451770493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1740451770493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1740451770413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870225885246 + 870225885247.

It is an arithmetic number, because the mean of its divisors is an integer number (870225885247).

Almost surely, 2^{1740451770493} is an apocalyptic number.

It is an amenable number.

1740451770493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1740451770493 is an equidigital number, since it uses as much as digits as its factorization.

1740451770493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 1740451770493 in words is "one trillion, seven hundred forty billion, four hundred fifty-one million, seven hundred seventy thousand, four hundred ninety-three".