33385201838 has 4 divisors (see below), whose sum is σ = 50077802760. Its totient is φ = 16692600918.

The previous prime is 33385201771. The next prime is 33385201859. The reversal of 33385201838 is 83810258333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83810258333 = 12163 ⋅6890591.

It is a super-2 number, since 2×33385201838² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 8346300458 + ... + 8346300461.

It is an arithmetic number, because the mean of its divisors is an integer number (12519450690).

Almost surely, 2^33385201838 is an apocalyptic number.

33385201838 is a deficient number, since it is larger than the sum of its proper divisors (16692600922).

33385201838 is a wasteful number, since it uses less digits than its factorization.

33385201838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692600921.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 33385201838 in words is "thirty-three billion, three hundred eighty-five million, two hundred one thousand, eight hundred thirty-eight".