33673740349 has 2 divisors, whose sum is σ = 33673740350. Its totient is φ = 33673740348.

The previous prime is 33673740281. The next prime is 33673740377. The reversal of 33673740349 is 94304737633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24389068900 + 9284671449 = 156170^2 + 96357^2 .

It is a cyclic number.

It is not a de Polignac number, because 33673740349 - 2¹⁹ = 33673216061 is a prime.

It is a super-2 number, since 2×33673740349² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33673750349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16836870174 + 16836870175.

It is an arithmetic number, because the mean of its divisors is an integer number (16836870175).

Almost surely, 2^33673740349 is an apocalyptic number.

It is an amenable number.

33673740349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33673740349 is an equidigital number, since it uses as much as digits as its factorization.

33673740349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 49.

The spelling of 33673740349 in words is "thirty-three billion, six hundred seventy-three million, seven hundred forty thousand, three hundred forty-nine".