72169056259 has 2 divisors, whose sum is σ = 72169056260. Its totient is φ = 72169056258.

The previous prime is 72169056241. The next prime is 72169056293. The reversal of 72169056259 is 95265096127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72169056259 - 2¹⁵ = 72169023491 is a prime.

It is not a weakly prime, because it can be changed into another prime (72169056209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36084528129 + 36084528130.

It is an arithmetic number, because the mean of its divisors is an integer number (36084528130).

Almost surely, 2^72169056259 is an apocalyptic number.

72169056259 is a deficient number, since it is larger than the sum of its proper divisors (1).

72169056259 is an equidigital number, since it uses as much as digits as its factorization.

72169056259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 72169056259 in words is "seventy-two billion, one hundred sixty-nine million, fifty-six thousand, two hundred fifty-nine".