1335401449 has 2 divisors, whose sum is σ = 1335401450. Its totient is φ = 1335401448.

The previous prime is 1335401443. The next prime is 1335401531. The reversal of 1335401449 is 9441045331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735494400 + 599907049 = 27120^2 + 24493^2 .

It is an emirp because it is prime and its reverse (9441045331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1335401449 is a prime.

It is a super-3 number, since 3×1335401449³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1335401443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667700724 + 667700725.

It is an arithmetic number, because the mean of its divisors is an integer number (667700725).

Almost surely, 2^1335401449 is an apocalyptic number.

It is an amenable number.

1335401449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335401449 is an equidigital number, since it uses as much as digits as its factorization.

1335401449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1335401449 is about 36543.1450343289. The cubic root of 1335401449 is about 1101.2111862851.

The spelling of 1335401449 in words is "one billion, three hundred thirty-five million, four hundred one thousand, four hundred forty-nine".