1374505346449 has 3 divisors (see below), whose sum is σ = 1374506518843. Its totient is φ = 1374504174056.

The previous prime is 1374505346447. The next prime is 1374505346477. The reversal of 1374505346449 is 9446435054731.

The square root of 1374505346449 is 1172393.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 608236211025 + 766269135424 = 779895^2 + 875368^2 .

It is not a de Polignac number, because 1374505346449 - 2¹ = 1374505346447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1374505346449.

It is not an unprimeable number, because it can be changed into a prime (1374505346447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 586197 + ... + 1758589.

Almost surely, 2^{1374505346449} is an apocalyptic number.

1374505346449 is the 1172393-rd square number.

1374505346449 is the 586197-th centered octagonal number.

It is an amenable number.

1374505346449 is a deficient number, since it is larger than the sum of its proper divisors (1172394).

1374505346449 is an frugal number, since it uses more digits than its factorization.

1374505346449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344786 (or 1172393 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 1374505346449 in words is "one trillion, three hundred seventy-four billion, five hundred five million, three hundred forty-six thousand, four hundred forty-nine".