69486638873 has 2 divisors, whose sum is σ = 69486638874. Its totient is φ = 69486638872.

The previous prime is 69486638863. The next prime is 69486638929. The reversal of 69486638873 is 37883668496.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43895278144 + 25591360729 = 209512^2 + 159973^2 .

It is a cyclic number.

It is not a de Polignac number, because 69486638873 - 2²⁰ = 69485590297 is a prime.

It is not a weakly prime, because it can be changed into another prime (69486638803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34743319436 + 34743319437.

It is an arithmetic number, because the mean of its divisors is an integer number (34743319437).

Almost surely, 2^69486638873 is an apocalyptic number.

It is an amenable number.

69486638873 is a deficient number, since it is larger than the sum of its proper divisors (1).

69486638873 is an equidigital number, since it uses as much as digits as its factorization.

69486638873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250822656, while the sum is 68.

The spelling of 69486638873 in words is "sixty-nine billion, four hundred eighty-six million, six hundred thirty-eight thousand, eight hundred seventy-three".