1350523213409 has 4 divisors (see below), whose sum is σ = 1409241614016. Its totient is φ = 1291804812804.

The previous prime is 1350523213387. The next prime is 1350523213427. The reversal of 1350523213409 is 9043123250531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1350523213409 - 2⁸ = 1350523213153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350523215409) 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, 29359200269 + ... + 29359200314.

It is an arithmetic number, because the mean of its divisors is an integer number (352310403504).

Almost surely, 2^{1350523213409} is an apocalyptic number.

It is an amenable number.

1350523213409 is a deficient number, since it is larger than the sum of its proper divisors (58718400607).

1350523213409 is an equidigital number, since it uses as much as digits as its factorization.

1350523213409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58718400606.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 1350523213409 in words is "one trillion, three hundred fifty billion, five hundred twenty-three million, two hundred thirteen thousand, four hundred nine".