1336603949 has 2 divisors, whose sum is σ = 1336603950. Its totient is φ = 1336603948.

The previous prime is 1336603943. The next prime is 1336603987. The reversal of 1336603949 is 9493066331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999697924 + 336906025 = 31618^2 + 18355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336603949 - 2⁸ = 1336603693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336603943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668301974 + 668301975.

It is an arithmetic number, because the mean of its divisors is an integer number (668301975).

Almost surely, 2^1336603949 is an apocalyptic number.

It is an amenable number.

1336603949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336603949 is an equidigital number, since it uses as much as digits as its factorization.

1336603949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 1336603949 is about 36559.5944862631. The cubic root of 1336603949 is about 1101.5416260387.

The spelling of 1336603949 in words is "one billion, three hundred thirty-six million, six hundred three thousand, nine hundred forty-nine".