1376723191013 has 2 divisors, whose sum is σ = 1376723191014. Its totient is φ = 1376723191012.

The previous prime is 1376723191003. The next prime is 1376723191037. The reversal of 1376723191013 is 3101913276731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1370721125284 + 6002065729 = 1170778^2 + 77473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376723191013 - 2³⁰ = 1375649449189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376723191003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688361595506 + 688361595507.

It is an arithmetic number, because the mean of its divisors is an integer number (688361595507).

Almost surely, 2^{1376723191013} is an apocalyptic number.

It is an amenable number.

1376723191013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376723191013 is an equidigital number, since it uses as much as digits as its factorization.

1376723191013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 1376723191013 in words is "one trillion, three hundred seventy-six billion, seven hundred twenty-three million, one hundred ninety-one thousand, thirteen".