1355763349 has 2 divisors, whose sum is σ = 1355763350. Its totient is φ = 1355763348.

The previous prime is 1355763347. The next prime is 1355763403. The reversal of 1355763349 is 9433675531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832726449 + 523036900 = 28857^2 + 22870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355763349 - 2¹ = 1355763347 is a prime.

Together with 1355763347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1355763299 and 1355763308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355763341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677881674 + 677881675.

It is an arithmetic number, because the mean of its divisors is an integer number (677881675).

Almost surely, 2^1355763349 is an apocalyptic number.

It is an amenable number.

1355763349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355763349 is an equidigital number, since it uses as much as digits as its factorization.

1355763349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 46.

The square root of 1355763349 is about 36820.6918593337. The cubic root of 1355763349 is about 1106.7799841122.

The spelling of 1355763349 in words is "one billion, three hundred fifty-five million, seven hundred sixty-three thousand, three hundred forty-nine".