1333408949 has 4 divisors (see below), whose sum is σ = 1341589536. Its totient is φ = 1325228364.

The previous prime is 1333408933. The next prime is 1333408981. The reversal of 1333408949 is 9498043331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1333408949 - 2⁴ = 1333408933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333402949) 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, 4090049 + ... + 4090374.

It is an arithmetic number, because the mean of its divisors is an integer number (335397384).

Almost surely, 2^1333408949 is an apocalyptic number.

It is an amenable number.

1333408949 is a deficient number, since it is larger than the sum of its proper divisors (8180587).

1333408949 is an equidigital number, since it uses as much as digits as its factorization.

1333408949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180586.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1333408949 is about 36515.8725624899. The cubic root of 1333408949 is about 1100.6632223574.

The spelling of 1333408949 in words is "one billion, three hundred thirty-three million, four hundred eight thousand, nine hundred forty-nine".