69245916501889 has 4 divisors (see below), whose sum is σ = 70934841294660. Its totient is φ = 67556991709120.

The previous prime is 69245916501857. The next prime is 69245916501911. The reversal of 69245916501889 is 98810561954296.

69245916501889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32731934919489 + 36513981582400 = 5721183^2 + 6042680^2 .

It is a cyclic number.

It is not a de Polignac number, because 69245916501889 - 2⁵ = 69245916501857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69245916301889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844462396324 + ... + 844462396405.

It is an arithmetic number, because the mean of its divisors is an integer number (17733710323665).

Almost surely, 2^{69245916501889} is an apocalyptic number.

It is an amenable number.

69245916501889 is a deficient number, since it is larger than the sum of its proper divisors (1688924792771).

69245916501889 is a wasteful number, since it uses less digits than its factorization.

69245916501889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688924792770.

The product of its (nonzero) digits is 335923200, while the sum is 73.

The spelling of 69245916501889 in words is "sixty-nine trillion, two hundred forty-five billion, nine hundred sixteen million, five hundred one thousand, eight hundred eighty-nine".