1344205551 has 12 divisors (see below), whose sum is σ = 1940747208. Its totient is φ = 827203104.

The previous prime is 1344205531. The next prime is 1344205553. The reversal of 1344205551 is 1555024431.

It is not a de Polignac number, because 1344205551 - 2¹⁹ = 1343681263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344205553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1325140 + ... + 1326153.

It is an arithmetic number, because the mean of its divisors is an integer number (161728934).

Almost surely, 2^1344205551 is an apocalyptic number.

1344205551 is a deficient number, since it is larger than the sum of its proper divisors (596541657).

1344205551 is a wasteful number, since it uses less digits than its factorization.

1344205551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651322 (or 2651309 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1344205551 is about 36663.4088840631. The cubic root of 1344205551 is about 1103.6259275678.

Adding to 1344205551 its reverse (1555024431), we get a palindrome (2899229982).

The spelling of 1344205551 in words is "one billion, three hundred forty-four million, two hundred five thousand, five hundred fifty-one".