1376367493 has 2 divisors, whose sum is σ = 1376367494. Its totient is φ = 1376367492.

The previous prime is 1376367491. The next prime is 1376367523. The reversal of 1376367493 is 3947636731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375074724 + 1292769 = 37082^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376367493 - 2¹ = 1376367491 is a prime.

Together with 1376367491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376367491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688183746 + 688183747.

It is an arithmetic number, because the mean of its divisors is an integer number (688183747).

Almost surely, 2^1376367493 is an apocalyptic number.

It is an amenable number.

1376367493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376367493 is an equidigital number, since it uses as much as digits as its factorization.

1376367493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 49.

The square root of 1376367493 is about 37099.4271249571. The cubic root of 1376367493 is about 1112.3585628045.

The spelling of 1376367493 in words is "one billion, three hundred seventy-six million, three hundred sixty-seven thousand, four hundred ninety-three".