33434447139 has 8 divisors (see below), whose sum is σ = 49532514320. Its totient is φ = 22289631408.

The previous prime is 33434447063. The next prime is 33434447141. The reversal of 33434447139 is 93174443433.

33434447139 is a `hidden beast` number, since 33 + 43 + 4 + 447 + 139 = 666.

It is not a de Polignac number, because 33434447139 - 2⁸ = 33434446883 is a prime.

It is a super-2 number, since 2×33434447139² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33434447094 and 33434447103.

It is not an unprimeable number, because it can be changed into a prime (33434447239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619156402 + ... + 619156455.

It is an arithmetic number, because the mean of its divisors is an integer number (6191564290).

Almost surely, 2^33434447139 is an apocalyptic number.

33434447139 is a deficient number, since it is larger than the sum of its proper divisors (16098067181).

33434447139 is a wasteful number, since it uses less digits than its factorization.

33434447139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238312866 (or 1238312860 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

The spelling of 33434447139 in words is "thirty-three billion, four hundred thirty-four million, four hundred forty-seven thousand, one hundred thirty-nine".