1337968361 has 2 divisors, whose sum is σ = 1337968362. Its totient is φ = 1337968360.

The previous prime is 1337968343. The next prime is 1337968381. The reversal of 1337968361 is 1638697331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322413225 + 15555136 = 36365^2 + 3944^2 .

It is an emirp because it is prime and its reverse (1638697331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1337968361 - 2³⁰ = 264226537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1337968381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668984180 + 668984181.

It is an arithmetic number, because the mean of its divisors is an integer number (668984181).

Almost surely, 2^1337968361 is an apocalyptic number.

It is an amenable number.

1337968361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337968361 is an equidigital number, since it uses as much as digits as its factorization.

1337968361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 1337968361 is about 36578.2498351138. The cubic root of 1337968361 is about 1101.9163183065.

The spelling of 1337968361 in words is "one billion, three hundred thirty-seven million, nine hundred sixty-eight thousand, three hundred sixty-one".