1380205610293 has 4 divisors (see below), whose sum is σ = 1380290567500. Its totient is φ = 1380120653088.

The previous prime is 1380205610243. The next prime is 1380205610299. The reversal of 1380205610293 is 3920165020831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1058515860964 + 321689749329 = 1028842^2 + 567177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380205610293 - 2¹⁷ = 1380205479221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380205610299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42454230 + ... + 42486727.

It is an arithmetic number, because the mean of its divisors is an integer number (345072641875).

Almost surely, 2^{1380205610293} is an apocalyptic number.

It is an amenable number.

1380205610293 is a deficient number, since it is larger than the sum of its proper divisors (84957207).

1380205610293 is an equidigital number, since it uses as much as digits as its factorization.

1380205610293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84957206.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1380205610293 in words is "one trillion, three hundred eighty billion, two hundred five million, six hundred ten thousand, two hundred ninety-three".