1374349455361 has 4 divisors (see below), whose sum is σ = 1375272458500. Its totient is φ = 1373426452224.

The previous prime is 1374349455293. The next prime is 1374349455373. The reversal of 1374349455361 is 1635549434731.

It is a happy number.

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 548488360000 + 825861095361 = 740600^2 + 908769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374349455361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1374340455361) 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, 461499336 + ... + 461502313.

It is an arithmetic number, because the mean of its divisors is an integer number (343818114625).

Almost surely, 2^{1374349455361} is an apocalyptic number.

It is an amenable number.

1374349455361 is a deficient number, since it is larger than the sum of its proper divisors (923003139).

1374349455361 is an equidigital number, since it uses as much as digits as its factorization.

1374349455361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923003138.

The product of its digits is 16329600, while the sum is 55.

The spelling of 1374349455361 in words is "one trillion, three hundred seventy-four billion, three hundred forty-nine million, four hundred fifty-five thousand, three hundred sixty-one".