1348227782291 has 4 divisors (see below), whose sum is σ = 1451937611712. Its totient is φ = 1244517952872.

The previous prime is 1348227782287. The next prime is 1348227782299. The reversal of 1348227782291 is 1922877228431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1348227782291 - 2² = 1348227782287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348227782299) 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, 51854914691 + ... + 51854914716.

It is an arithmetic number, because the mean of its divisors is an integer number (362984402928).

Almost surely, 2^{1348227782291} is an apocalyptic number.

1348227782291 is a deficient number, since it is larger than the sum of its proper divisors (103709829421).

1348227782291 is a wasteful number, since it uses less digits than its factorization.

1348227782291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103709829420.

The product of its digits is 5419008, while the sum is 56.

The spelling of 1348227782291 in words is "one trillion, three hundred forty-eight billion, two hundred twenty-seven million, seven hundred eighty-two thousand, two hundred ninety-one".