1342709751679 has 4 divisors (see below), whose sum is σ = 1354592138976. Its totient is φ = 1330827364384.

The previous prime is 1342709751661. The next prime is 1342709751689. The reversal of 1342709751679 is 9761579072431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1342709751679 - 2²¹ = 1342707654527 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 (1342709751629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941193479 + ... + 5941193704.

It is an arithmetic number, because the mean of its divisors is an integer number (338648034744).

Almost surely, 2^{1342709751679} is an apocalyptic number.

1342709751679 is a deficient number, since it is larger than the sum of its proper divisors (11882387297).

1342709751679 is a wasteful number, since it uses less digits than its factorization.

1342709751679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882387296.

The product of its (nonzero) digits is 20003760, while the sum is 61.

The spelling of 1342709751679 in words is "one trillion, three hundred forty-two billion, seven hundred nine million, seven hundred fifty-one thousand, six hundred seventy-nine".