33313333049 has 2 divisors, whose sum is σ = 33313333050. Its totient is φ = 33313333048.

The previous prime is 33313333019. The next prime is 33313333069. The reversal of 33313333049 is 94033331333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33311725225 + 1607824 = 182515^2 + 1268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33313333049 is a prime.

It is a super-2 number, since 2×33313333049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33313333019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16656666524 + 16656666525.

It is an arithmetic number, because the mean of its divisors is an integer number (16656666525).

Almost surely, 2^33313333049 is an apocalyptic number.

It is an amenable number.

33313333049 is a deficient number, since it is larger than the sum of its proper divisors (1).

33313333049 is an equidigital number, since it uses as much as digits as its factorization.

33313333049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 35.

The spelling of 33313333049 in words is "thirty-three billion, three hundred thirteen million, three hundred thirty-three thousand, forty-nine".