1344614861 has 4 divisors (see below), whose sum is σ = 1344696924. Its totient is φ = 1344532800.

The previous prime is 1344614837. The next prime is 1344614923. The reversal of 1344614861 is 1684164431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 773118025 + 571496836 = 27805^2 + 23906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344614861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344614561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100 + ... + 52341.

It is an arithmetic number, because the mean of its divisors is an integer number (336174231).

Almost surely, 2^1344614861 is an apocalyptic number.

It is an amenable number.

1344614861 is a deficient number, since it is larger than the sum of its proper divisors (82063).

1344614861 is an equidigital number, since it uses as much as digits as its factorization.

1344614861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82062.

The product of its digits is 55296, while the sum is 38.

The square root of 1344614861 is about 36668.9904551516. The cubic root of 1344614861 is about 1103.7379340701.

The spelling of 1344614861 in words is "one billion, three hundred forty-four million, six hundred fourteen thousand, eight hundred sixty-one".