1376670349 has 2 divisors, whose sum is σ = 1376670350. Its totient is φ = 1376670348.

The previous prime is 1376670343. The next prime is 1376670367. The reversal of 1376670349 is 9430766731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995718025 + 380952324 = 31555^2 + 19518^2 .

It is an emirp because it is prime and its reverse (9430766731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1376670349 - 2³ = 1376670341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1376670299 and 1376670308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376670341) 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, 688335174 + 688335175.

It is an arithmetic number, because the mean of its divisors is an integer number (688335175).

Almost surely, 2^1376670349 is an apocalyptic number.

It is an amenable number.

1376670349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376670349 is an equidigital number, since it uses as much as digits as its factorization.

1376670349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 1376670349 is about 37103.5085807259. The cubic root of 1376670349 is about 1112.4401446398.

The spelling of 1376670349 in words is "one billion, three hundred seventy-six million, six hundred seventy thousand, three hundred forty-nine".