1344959807 has 4 divisors (see below), whose sum is σ = 1345817496. Its totient is φ = 1344102120.

The previous prime is 1344959773. The next prime is 1344959813. The reversal of 1344959807 is 7089594431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7089594431 = 19 ⋅373136549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344959807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344959507) 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, 426488 + ... + 429629.

It is an arithmetic number, because the mean of its divisors is an integer number (336454374).

Almost surely, 2^1344959807 is an apocalyptic number.

1344959807 is a deficient number, since it is larger than the sum of its proper divisors (857689).

1344959807 is an equidigital number, since it uses as much as digits as its factorization.

1344959807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857688.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1344959807 is about 36673.6936645329. The cubic root of 1344959807 is about 1103.8323099006.

The spelling of 1344959807 in words is "one billion, three hundred forty-four million, nine hundred fifty-nine thousand, eight hundred seven".