33728462412919 has 4 divisors (see below), whose sum is σ = 33728714833320. Its totient is φ = 33728209992520.

The previous prime is 33728462412907. The next prime is 33728462412941. The reversal of 33728462412919 is 91921426482733.

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

It is a cyclic number.

It is not a de Polignac number, because 33728462412919 - 2¹⁷ = 33728462281847 is a prime.

It is a super-2 number, since 2×33728462412919² (a number of 28 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 (33728462412989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126009664 + ... + 126277045.

It is an arithmetic number, because the mean of its divisors is an integer number (8432178708330).

Almost surely, 2^{33728462412919} is an apocalyptic number.

33728462412919 is a deficient number, since it is larger than the sum of its proper divisors (252420401).

33728462412919 is a wasteful number, since it uses less digits than its factorization.

33728462412919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252420400.

The product of its digits is 31352832, while the sum is 61.

The spelling of 33728462412919 in words is "thirty-three trillion, seven hundred twenty-eight billion, four hundred sixty-two million, four hundred twelve thousand, nine hundred nineteen".