33736794689 has 4 divisors (see below), whose sum is σ = 36331932756. Its totient is φ = 31141656624.

The previous prime is 33736794673. The next prime is 33736794761. The reversal of 33736794689 is 98649763733.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98649763733 = 31 ⋅3182250443.

It can be written as a sum of positive squares in 2 ways, for example, as 15671284225 + 18065510464 = 125185^2 + 134408^2 .

It is not a de Polignac number, because 33736794689 - 2⁴ = 33736794673 is a prime.

It is a super-2 number, since 2×33736794689² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33736791689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297569014 + ... + 1297569039.

It is an arithmetic number, because the mean of its divisors is an integer number (9082983189).

Almost surely, 2^33736794689 is an apocalyptic number.

It is an amenable number.

33736794689 is a deficient number, since it is larger than the sum of its proper divisors (2595138067).

33736794689 is a wasteful number, since it uses less digits than its factorization.

33736794689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595138066.

The product of its digits is 123451776, while the sum is 65.

The spelling of 33736794689 in words is "thirty-three billion, seven hundred thirty-six million, seven hundred ninety-four thousand, six hundred eighty-nine".