1340703626673 has 4 divisors (see below), whose sum is σ = 1787604835568. Its totient is φ = 893802417780.

The previous prime is 1340703626659. The next prime is 1340703626693. The reversal of 1340703626673 is 3766263070431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1340703626673 - 2¹⁰ = 1340703625649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340703626693) 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, 223450604443 + ... + 223450604448.

It is an arithmetic number, because the mean of its divisors is an integer number (446901208892).

Almost surely, 2^{1340703626673} is an apocalyptic number.

It is an amenable number.

1340703626673 is a deficient number, since it is larger than the sum of its proper divisors (446901208895).

1340703626673 is an equidigital number, since it uses as much as digits as its factorization.

1340703626673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446901208894.

The product of its (nonzero) digits is 2286144, while the sum is 48.

The spelling of 1340703626673 in words is "one trillion, three hundred forty billion, seven hundred three million, six hundred twenty-six thousand, six hundred seventy-three".