1377309337 has 2 divisors, whose sum is σ = 1377309338. Its totient is φ = 1377309336.

The previous prime is 1377309317. The next prime is 1377309343. The reversal of 1377309337 is 7339037731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111488921 + 265820416 = 33339^2 + 16304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377309337 - 2¹⁵ = 1377276569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377309293 and 1377309302.

It is not a weakly prime, because it can be changed into another prime (1377309317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688654668 + 688654669.

It is an arithmetic number, because the mean of its divisors is an integer number (688654669).

Almost surely, 2^1377309337 is an apocalyptic number.

It is an amenable number.

1377309337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377309337 is an equidigital number, since it uses as much as digits as its factorization.

1377309337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250047, while the sum is 43.

The square root of 1377309337 is about 37112.1184655363. The cubic root of 1377309337 is about 1112.6122327878.

The spelling of 1377309337 in words is "one billion, three hundred seventy-seven million, three hundred nine thousand, three hundred thirty-seven".