1370679675509 has 2 divisors, whose sum is σ = 1370679675510. Its totient is φ = 1370679675508.

The previous prime is 1370679675433. The next prime is 1370679675511. The reversal of 1370679675509 is 9055769760731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145906020900 + 224773654609 = 1070470^2 + 474103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370679675509 is a prime.

Together with 1370679675511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370679675539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685339837754 + 685339837755.

It is an arithmetic number, because the mean of its divisors is an integer number (685339837755).

Almost surely, 2^{1370679675509} is an apocalyptic number.

It is an amenable number.

1370679675509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370679675509 is an equidigital number, since it uses as much as digits as its factorization.

1370679675509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75014100, while the sum is 65.

The spelling of 1370679675509 in words is "one trillion, three hundred seventy billion, six hundred seventy-nine million, six hundred seventy-five thousand, five hundred nine".