69381875145 has 32 divisors (see below), whose sum is σ = 121250294784. Its totient is φ = 33598756800.

The previous prime is 69381875131. The next prime is 69381875191. The reversal of 69381875145 is 54157818396.

It is not a de Polignac number, because 69381875145 - 2⁵ = 69381875113 is a prime.

It is a Curzon 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 in 31 ways as a sum of consecutive naturals, for example, 119671 + ... + 391260.

It is an arithmetic number, because the mean of its divisors is an integer number (3789071712).

Almost surely, 2^69381875145 is an apocalyptic number.

It is an amenable number.

69381875145 is a deficient number, since it is larger than the sum of its proper divisors (51868419639).

69381875145 is a wasteful number, since it uses less digits than its factorization.

69381875145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511773.

The product of its digits is 7257600, while the sum is 57.

The spelling of 69381875145 in words is "sixty-nine billion, three hundred eighty-one million, eight hundred seventy-five thousand, one hundred forty-five".