1376773313 has 2 divisors, whose sum is σ = 1376773314. Its totient is φ = 1376773312.

The previous prime is 1376773259. The next prime is 1376773327. The reversal of 1376773313 is 3133776731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800437264 + 576336049 = 28292^2 + 24007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376773313 - 2⁶ = 1376773249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1376773513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688386656 + 688386657.

It is an arithmetic number, because the mean of its divisors is an integer number (688386657).

Almost surely, 2^1376773313 is an apocalyptic number.

It is an amenable number.

1376773313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376773313 is an equidigital number, since it uses as much as digits as its factorization.

1376773313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 41.

The square root of 1376773313 is about 37104.8960785501. The cubic root of 1376773313 is about 1112.4678778420.

The spelling of 1376773313 in words is "one billion, three hundred seventy-six million, seven hundred seventy-three thousand, three hundred thirteen".