33980633707309 has 4 divisors (see below), whose sum is σ = 33980855295004. Its totient is φ = 33980412119616.

The previous prime is 33980633707291. The next prime is 33980633707313. The reversal of 33980633707309 is 90370733608933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32660253457225 + 1320380250084 = 5714915^2 + 1149078^2 .

It is a cyclic number.

It is not a de Polignac number, because 33980633707309 - 2⁵ = 33980633707277 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 (33980633707409) 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, 110563662 + ... + 110870575.

It is an arithmetic number, because the mean of its divisors is an integer number (8495213823751).

Almost surely, 2^{33980633707309} is an apocalyptic number.

It is an amenable number.

33980633707309 is a deficient number, since it is larger than the sum of its proper divisors (221587695).

33980633707309 is a wasteful number, since it uses less digits than its factorization.

33980633707309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221587694.

The product of its (nonzero) digits is 46294416, while the sum is 61.

The spelling of 33980633707309 in words is "thirty-three trillion, nine hundred eighty billion, six hundred thirty-three million, seven hundred seven thousand, three hundred nine".