1336549899 has 4 divisors (see below), whose sum is σ = 1782066536. Its totient is φ = 891033264.

The previous prime is 1336549873. The next prime is 1336549933. The reversal of 1336549899 is 9989456331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9989456331 = 3 ⋅3329818777.

It is not a de Polignac number, because 1336549899 - 2¹¹ = 1336547851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1336549499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222758314 + ... + 222758319.

It is an arithmetic number, because the mean of its divisors is an integer number (445516634).

Almost surely, 2^1336549899 is an apocalyptic number.

1336549899 is a deficient number, since it is larger than the sum of its proper divisors (445516637).

1336549899 is an equidigital number, since it uses as much as digits as its factorization.

1336549899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445516636.

The product of its digits is 6298560, while the sum is 57.

The square root of 1336549899 is about 36558.8552747484. The cubic root of 1336549899 is about 1101.5267776793.

The spelling of 1336549899 in words is "one billion, three hundred thirty-six million, five hundred forty-nine thousand, eight hundred ninety-nine".