69143814139 has 4 divisors (see below), whose sum is σ = 69303500056. Its totient is φ = 68984128224.

The previous prime is 69143814133. The next prime is 69143814143. The reversal of 69143814139 is 93141834196.

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 69143814139 - 2¹⁹ = 69143289851 is a prime.

It is a super-2 number, since 2×69143814139² (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 = 69143814092 and 69143814101.

It is not an unprimeable number, because it can be changed into a prime (69143814133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79842309 + ... + 79843174.

It is an arithmetic number, because the mean of its divisors is an integer number (17325875014).

Almost surely, 2^69143814139 is an apocalyptic number.

69143814139 is a deficient number, since it is larger than the sum of its proper divisors (159685917).

69143814139 is a wasteful number, since it uses less digits than its factorization.

69143814139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159685916.

The product of its digits is 559872, while the sum is 49.

The spelling of 69143814139 in words is "sixty-nine billion, one hundred forty-three million, eight hundred fourteen thousand, one hundred thirty-nine".