1344671797 has 32 divisors (see below), whose sum is σ = 1728933120. Its totient is φ = 1018967040.

The previous prime is 1344671789. The next prime is 1344671803. The reversal of 1344671797 is 7971764431.

It is not a de Polignac number, because 1344671797 - 2³ = 1344671789 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 1344671797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344674797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122422 + ... + 132952.

It is an arithmetic number, because the mean of its divisors is an integer number (54029160).

Almost surely, 2^1344671797 is an apocalyptic number.

1344671797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1344671797 is a deficient number, since it is larger than the sum of its proper divisors (384261323).

1344671797 is a wasteful number, since it uses less digits than its factorization.

1344671797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621.

The product of its digits is 889056, while the sum is 49.

The square root of 1344671797 is about 36669.7667977313. The cubic root of 1344671797 is about 1103.7535126415.

The spelling of 1344671797 in words is "one billion, three hundred forty-four million, six hundred seventy-one thousand, seven hundred ninety-seven".