33944815249 has 2 divisors, whose sum is σ = 33944815250. Its totient is φ = 33944815248.

The previous prime is 33944815231. The next prime is 33944815273. The reversal of 33944815249 is 94251844933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33628224400 + 316590849 = 183380^2 + 17793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33944815249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33944815196 and 33944815205.

It is not a weakly prime, because it can be changed into another prime (33944815049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16972407624 + 16972407625.

It is an arithmetic number, because the mean of its divisors is an integer number (16972407625).

Almost surely, 2^33944815249 is an apocalyptic number.

It is an amenable number.

33944815249 is a deficient number, since it is larger than the sum of its proper divisors (1).

33944815249 is an equidigital number, since it uses as much as digits as its factorization.

33944815249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 52.

The spelling of 33944815249 in words is "thirty-three billion, nine hundred forty-four million, eight hundred fifteen thousand, two hundred forty-nine".