33860128489 has 4 divisors (see below), whose sum is σ = 36938322000. Its totient is φ = 30781934980.

The previous prime is 33860128457. The next prime is 33860128517. The reversal of 33860128489 is 98482106833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33860128489 - 2⁵ = 33860128457 is a prime.

It is a super-2 number, since 2×33860128489² (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 (33860128189) 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, 1539096739 + ... + 1539096760.

It is an arithmetic number, because the mean of its divisors is an integer number (9234580500).

Almost surely, 2^33860128489 is an apocalyptic number.

It is an amenable number.

33860128489 is a deficient number, since it is larger than the sum of its proper divisors (3078193511).

33860128489 is a wasteful number, since it uses less digits than its factorization.

33860128489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078193510.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 33860128489 in words is "thirty-three billion, eight hundred sixty million, one hundred twenty-eight thousand, four hundred eighty-nine".