1344701881 has 2 divisors, whose sum is σ = 1344701882. Its totient is φ = 1344701880.

The previous prime is 1344701867. The next prime is 1344701903. The reversal of 1344701881 is 1881074431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149820281 + 194881600 = 33909^2 + 13960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344701881 - 2⁷ = 1344701753 is a prime.

It is a super-2 number, since 2×1344701881² = 3616446297529876322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344701881.

It is not a weakly prime, because it can be changed into another prime (1344701821) 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 as a sum of consecutive naturals, namely, 672350940 + 672350941.

It is an arithmetic number, because the mean of its divisors is an integer number (672350941).

Almost surely, 2^1344701881 is an apocalyptic number.

It is an amenable number.

1344701881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344701881 is an equidigital number, since it uses as much as digits as its factorization.

1344701881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1344701881 is about 36670.1769971185. The cubic root of 1344701881 is about 1103.7617439123.

The spelling of 1344701881 in words is "one billion, three hundred forty-four million, seven hundred one thousand, eight hundred eighty-one".