1350558391349 has 4 divisors (see below), whose sum is σ = 1350574145100. Its totient is φ = 1350542637600.

The previous prime is 1350558391333. The next prime is 1350558391363. The reversal of 1350558391349 is 9431938550531.

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 85342858225 + 1265215533124 = 292135^2 + 1124818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350558391349 - 2⁴ = 1350558391333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1350558391294 and 1350558391303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350558391309) 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, 7747574 + ... + 7919975.

It is an arithmetic number, because the mean of its divisors is an integer number (337643536275).

Almost surely, 2^{1350558391349} is an apocalyptic number.

It is an amenable number.

1350558391349 is a deficient number, since it is larger than the sum of its proper divisors (15753751).

1350558391349 is an equidigital number, since it uses as much as digits as its factorization.

1350558391349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753750.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 1350558391349 in words is "one trillion, three hundred fifty billion, five hundred fifty-eight million, three hundred ninety-one thousand, three hundred forty-nine".