33938859349 has 2 divisors, whose sum is σ = 33938859350. Its totient is φ = 33938859348.

The previous prime is 33938859319. The next prime is 33938859359. The reversal of 33938859349 is 94395883933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25199975025 + 8738884324 = 158745^2 + 93482^2 .

It is a cyclic number.

It is not a de Polignac number, because 33938859349 - 2¹¹ = 33938857301 is a prime.

It is a super-2 number, since 2×33938859349² (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 (33938859319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16969429674 + 16969429675.

It is an arithmetic number, because the mean of its divisors is an integer number (16969429675).

Almost surely, 2^33938859349 is an apocalyptic number.

It is an amenable number.

33938859349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33938859349 is an equidigital number, since it uses as much as digits as its factorization.

33938859349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 64.

The spelling of 33938859349 in words is "thirty-three billion, nine hundred thirty-eight million, eight hundred fifty-nine thousand, three hundred forty-nine".