1334849797449 has 63 divisors (see below), whose sum is σ = 2328492585783. Its totient is φ = 762646534272.

The previous prime is 1334849797447. The next prime is 1334849797507. The reversal of 1334849797449 is 9447979484331.

The square root of 1334849797449 is 1155357.

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

1334849797449 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 8 + 4 + 97 + 97 + 449 = 666.

It can be written as a sum of positive squares in only one way, i.e., 737889590025 + 596960207424 = 859005^2 + 772632^2 .

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 1334849797449 - 2¹ = 1334849797447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1334849797447) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 218359417 + ... + 218365529.

Almost surely, 2^{1334849797449} is an apocalyptic number.

1334849797449 is the 1155357-th square number.

1334849797449 is the 577679-th centered octagonal number.

It is an amenable number.

1334849797449 is a deficient number, since it is larger than the sum of its proper divisors (993642788334).

1334849797449 is an frugal number, since it uses more digits than its factorization.

1334849797449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258 (or 6123 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 1334849797449 in words is "one trillion, three hundred thirty-four billion, eight hundred forty-nine million, seven hundred ninety-seven thousand, four hundred forty-nine".