1348849485761 has 4 divisors (see below), whose sum is σ = 1349049707652. Its totient is φ = 1348649263872.

The previous prime is 1348849485721. The next prime is 1348849485779. The reversal of 1348849485761 is 1675849488431.

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 215648784400 + 1133200701361 = 464380^2 + 1064519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348849485761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1348849485691 and 1348849485700.

It is not an unprimeable number, because it can be changed into a prime (1348849485721) 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, 100100840 + ... + 100114313.

It is an arithmetic number, because the mean of its divisors is an integer number (337262426913).

Almost surely, 2^{1348849485761} is an apocalyptic number.

It is an amenable number.

1348849485761 is a deficient number, since it is larger than the sum of its proper divisors (200221891).

1348849485761 is an equidigital number, since it uses as much as digits as its factorization.

1348849485761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200221890.

The product of its digits is 185794560, while the sum is 68.

The spelling of 1348849485761 in words is "one trillion, three hundred forty-eight billion, eight hundred forty-nine million, four hundred eighty-five thousand, seven hundred sixty-one".