1343737679 has 2 divisors, whose sum is σ = 1343737680. Its totient is φ = 1343737678.

The previous prime is 1343737669. The next prime is 1343737697. The reversal of 1343737679 is 9767373431.

Together with next prime (1343737697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343737679 - 2²⁴ = 1326960463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343737669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671868839 + 671868840.

It is an arithmetic number, because the mean of its divisors is an integer number (671868840).

Almost surely, 2^1343737679 is an apocalyptic number.

1343737679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343737679 is an equidigital number, since it uses as much as digits as its factorization.

1343737679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 50.

The square root of 1343737679 is about 36657.0276891076. The cubic root of 1343737679 is about 1103.4978678898.

The spelling of 1343737679 in words is "one billion, three hundred forty-three million, seven hundred thirty-seven thousand, six hundred seventy-nine".