33690038709 has 8 divisors (see below), whose sum is σ = 44923542592. Its totient is φ = 22458280320.

The previous prime is 33690038663. The next prime is 33690038731. The reversal of 33690038709 is 90783009633.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33690038709 - 2⁸ = 33690038453 is a prime.

It is a super-2 number, since 2×33690038709² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33690038749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390652 + ... + 469029.

It is an arithmetic number, because the mean of its divisors is an integer number (5615442824).

Almost surely, 2^33690038709 is an apocalyptic number.

It is an amenable number.

33690038709 is a deficient number, since it is larger than the sum of its proper divisors (11233503883).

33690038709 is a wasteful number, since it uses less digits than its factorization.

33690038709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872747.

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 33690038709 in words is "thirty-three billion, six hundred ninety million, thirty-eight thousand, seven hundred nine".