1340474374573 has 2 divisors, whose sum is σ = 1340474374574. Its totient is φ = 1340474374572.

The previous prime is 1340474374559. The next prime is 1340474374597. The reversal of 1340474374573 is 3754734740431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1312062575209 + 28411799364 = 1145453^2 + 168558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340474374573 - 2⁵ = 1340474374541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340474374573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340474374523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670237187286 + 670237187287.

It is an arithmetic number, because the mean of its divisors is an integer number (670237187287).

Almost surely, 2^{1340474374573} is an apocalyptic number.

It is an amenable number.

1340474374573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340474374573 is an equidigital number, since it uses as much as digits as its factorization.

1340474374573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 52.

The spelling of 1340474374573 in words is "one trillion, three hundred forty billion, four hundred seventy-four million, three hundred seventy-four thousand, five hundred seventy-three".