1340796684629 has 4 divisors (see below), whose sum is σ = 1340799123084. Its totient is φ = 1340794246176.

The previous prime is 1340796684611. The next prime is 1340796684641. The reversal of 1340796684629 is 9264866970431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 936298140625 + 404498544004 = 967625^2 + 636002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340796684629 - 2⁸ = 1340796684373 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 (1340796684679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37019 + ... + 1637975.

It is an arithmetic number, because the mean of its divisors is an integer number (335199780771).

Almost surely, 2^{1340796684629} is an apocalyptic number.

It is an amenable number.

1340796684629 is a deficient number, since it is larger than the sum of its proper divisors (2438455).

1340796684629 is an equidigital number, since it uses as much as digits as its factorization.

1340796684629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438454.

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 1340796684629 in words is "one trillion, three hundred forty billion, seven hundred ninety-six million, six hundred eighty-four thousand, six hundred twenty-nine".