33748013506 has 4 divisors (see below), whose sum is σ = 50622020262. Its totient is φ = 16874006752.

The previous prime is 33748013479. The next prime is 33748013557. The reversal of 33748013506 is 60531084733.

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

It can be written as a sum of positive squares in only one way, i.e., 33670415025 + 77598481 = 183495^2 + 8809^2 .

It is a super-2 number, since 2×33748013506² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8437003375 + ... + 8437003378.

Almost surely, 2^33748013506 is an apocalyptic number.

33748013506 is a deficient number, since it is larger than the sum of its proper divisors (16874006756).

33748013506 is a wasteful number, since it uses less digits than its factorization.

33748013506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874006755.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 33748013506 in words is "thirty-three billion, seven hundred forty-eight million, thirteen thousand, five hundred six".