1336630249 has 2 divisors, whose sum is σ = 1336630250. Its totient is φ = 1336630248.

The previous prime is 1336630247. The next prime is 1336630283. The reversal of 1336630249 is 9420366331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993195225 + 343435024 = 31515^2 + 18532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336630249 - 2¹ = 1336630247 is a prime.

Together with 1336630247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1336630247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668315124 + 668315125.

It is an arithmetic number, because the mean of its divisors is an integer number (668315125).

Almost surely, 2^1336630249 is an apocalyptic number.

It is an amenable number.

1336630249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336630249 is an equidigital number, since it uses as much as digits as its factorization.

1336630249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 1336630249 is about 36559.9541711967. The cubic root of 1336630249 is about 1101.5488509050.

The spelling of 1336630249 in words is "one billion, three hundred thirty-six million, six hundred thirty thousand, two hundred forty-nine".