1427793122449 has 4 divisors (see below), whose sum is σ = 1427795516736. Its totient is φ = 1427790728164.

The previous prime is 1427793122423. The next prime is 1427793122473. The reversal of 1427793122449 is 9442213977241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1427793122449 - 2²⁹ = 1427256251537 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 1427793122449.

It is not an unprimeable number, because it can be changed into a prime (1425793122449) 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, 488772 + ... + 1759114.

It is an arithmetic number, because the mean of its divisors is an integer number (356948879184).

Almost surely, 2^{1427793122449} is an apocalyptic number.

It is an amenable number.

1427793122449 is a deficient number, since it is larger than the sum of its proper divisors (2394287).

1427793122449 is a wasteful number, since it uses less digits than its factorization.

1427793122449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394286.

The product of its digits is 6096384, while the sum is 55.

The spelling of 1427793122449 in words is "one trillion, four hundred twenty-seven billion, seven hundred ninety-three million, one hundred twenty-two thousand, four hundred forty-nine".