1340477674693 has 2 divisors, whose sum is σ = 1340477674694. Its totient is φ = 1340477674692.

The previous prime is 1340477674663. The next prime is 1340477674709. The reversal of 1340477674693 is 3964767740431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156091597089 + 184386077604 = 1075217^2 + 429402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340477674693 - 2¹³ = 1340477666501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340477674603) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670238837346 + 670238837347.

It is an arithmetic number, because the mean of its divisors is an integer number (670238837347).

Almost surely, 2^{1340477674693} is an apocalyptic number.

It is an amenable number.

1340477674693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340477674693 is an equidigital number, since it uses as much as digits as its factorization.

1340477674693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 61.

The spelling of 1340477674693 in words is "one trillion, three hundred forty billion, four hundred seventy-seven million, six hundred seventy-four thousand, six hundred ninety-three".