72658486133 has 2 divisors, whose sum is σ = 72658486134. Its totient is φ = 72658486132.

The previous prime is 72658486111. The next prime is 72658486151. The reversal of 72658486133 is 33168485627.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71863133329 + 795352804 = 268073^2 + 28202^2 .

It is an emirp because it is prime and its reverse (33168485627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72658486133 - 2²⁰ = 72657437557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72658486163) by changing a digit.

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 as a sum of consecutive naturals, namely, 36329243066 + 36329243067.

It is an arithmetic number, because the mean of its divisors is an integer number (36329243067).

Almost surely, 2^72658486133 is an apocalyptic number.

It is an amenable number.

72658486133 is a deficient number, since it is larger than the sum of its proper divisors (1).

72658486133 is an equidigital number, since it uses as much as digits as its factorization.

72658486133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The spelling of 72658486133 in words is "seventy-two billion, six hundred fifty-eight million, four hundred eighty-six thousand, one hundred thirty-three".