1344958681 has 12 divisors (see below), whose sum is σ = 1556153200. Its totient is φ = 1158335640.

The previous prime is 1344958679. The next prime is 1344958697. The reversal of 1344958681 is 1868594431.

It is a happy number.

It is not a de Polignac number, because 1344958681 - 2¹ = 1344958679 is a prime.

It is a super-2 number, since 2×1344958681² = 3617827707194519522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1344958481) 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 11 ways as a sum of consecutive naturals, for example, 290211 + ... + 294808.

Almost surely, 2^1344958681 is an apocalyptic number.

1344958681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1344958681 is a deficient number, since it is larger than the sum of its proper divisors (211194519).

1344958681 is a wasteful number, since it uses less digits than its factorization.

1344958681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585060 (or 585049 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 1344958681 is about 36673.6783129263. The cubic root of 1344958681 is about 1103.8320018578.

The spelling of 1344958681 in words is "one billion, three hundred forty-four million, nine hundred fifty-eight thousand, six hundred eighty-one".