86549501493 has 72 divisors (see below), whose sum is σ = 161665760256. Its totient is φ = 44179732800.

The previous prime is 86549501459. The next prime is 86549501513. The reversal of 86549501493 is 39410594568.

86549501493 is a `hidden beast` number, since 8 + 6 + 5 + 49 + 501 + 4 + 93 = 666.

It is not a de Polignac number, because 86549501493 - 2¹⁰ = 86549500469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86549501453) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 65773 + ... + 421218.

Almost surely, 2^86549501493 is an apocalyptic number.

It is an amenable number.

86549501493 is a deficient number, since it is larger than the sum of its proper divisors (75116258763).

86549501493 is a wasteful number, since it uses less digits than its factorization.

86549501493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487055 (or 487045 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 86549501493 in words is "eighty-six billion, five hundred forty-nine million, five hundred one thousand, four hundred ninety-three".