69840457055 has 8 divisors (see below), whose sum is σ = 83938086432. Its totient is φ = 55786007008.

The previous prime is 69840457031. The next prime is 69840457061. The reversal of 69840457055 is 55075404896.

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 69840457055 - 2⁸ = 69840456799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69840456988 and 69840457006.

It is a congruent number.

It is an unprimeable number.

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, 10791272 + ... + 10797741.

It is an arithmetic number, because the mean of its divisors is an integer number (10492260804).

Almost surely, 2^69840457055 is an apocalyptic number.

69840457055 is a deficient number, since it is larger than the sum of its proper divisors (14097629377).

69840457055 is a wasteful number, since it uses less digits than its factorization.

69840457055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21589665.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 69840457055 in words is "sixty-nine billion, eight hundred forty million, four hundred fifty-seven thousand, fifty-five".