1073747743493 has 2 divisors, whose sum is σ = 1073747743494. Its totient is φ = 1073747743492.

The previous prime is 1073747743487. The next prime is 1073747743543. The reversal of 1073747743493 is 3943477473701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602078227969 + 471669515524 = 775937^2 + 686782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073747743493 - 2¹² = 1073747739397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073746743493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536873871746 + 536873871747.

It is an arithmetic number, because the mean of its divisors is an integer number (536873871747).

Almost surely, 2^{1073747743493} is an apocalyptic number.

It is an amenable number.

1073747743493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073747743493 is an equidigital number, since it uses as much as digits as its factorization.

1073747743493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 59.

The spelling of 1073747743493 in words is "one trillion, seventy-three billion, seven hundred forty-seven million, seven hundred forty-three thousand, four hundred ninety-three".