69189400055 has 8 divisors (see below), whose sum is σ = 86637161952. Its totient is φ = 52944932128.

The previous prime is 69189400051. The next prime is 69189400081. The reversal of 69189400055 is 55000498196.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69189400055 - 2² = 69189400051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69189399982 and 69189400009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69189400051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300823364 + ... + 300823593.

It is an arithmetic number, because the mean of its divisors is an integer number (10829645244).

Almost surely, 2^69189400055 is an apocalyptic number.

69189400055 is a deficient number, since it is larger than the sum of its proper divisors (17447761897).

69189400055 is a wasteful number, since it uses less digits than its factorization.

69189400055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601646985.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 69189400055 in words is "sixty-nine billion, one hundred eighty-nine million, four hundred thousand, fifty-five".