1336544899 has 2 divisors, whose sum is σ = 1336544900. Its totient is φ = 1336544898.

The previous prime is 1336544887. The next prime is 1336544929. The reversal of 1336544899 is 9984456331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1336544899 - 2⁹ = 1336544387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1336544299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668272449 + 668272450.

It is an arithmetic number, because the mean of its divisors is an integer number (668272450).

Almost surely, 2^1336544899 is an apocalyptic number.

1336544899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336544899 is an equidigital number, since it uses as much as digits as its factorization.

1336544899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The square root of 1336544899 is about 36558.7868917994. The cubic root of 1336544899 is about 1101.5254040828.

The spelling of 1336544899 in words is "one billion, three hundred thirty-six million, five hundred forty-four thousand, eight hundred ninety-nine".