493591223151 has 128 divisors (see below), whose sum is σ = 858260480000. Its totient is φ = 277640524800.

The previous prime is 493591223141. The next prime is 493591223179. The reversal of 493591223151 is 151322195394.

493591223151 is a `hidden beast` number, since 4 + 9 + 3 + 591 + 2 + 2 + 3 + 1 + 51 = 666.

It is not a de Polignac number, because 493591223151 - 2⁹ = 493591222639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493591223097 and 493591223106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493591223141) 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 127 ways as a sum of consecutive naturals, for example, 72148491 + ... + 72155331.

It is an arithmetic number, because the mean of its divisors is an integer number (6705160000).

Almost surely, 2^493591223151 is an apocalyptic number.

493591223151 is a deficient number, since it is larger than the sum of its proper divisors (364669256849).

493591223151 is a wasteful number, since it uses less digits than its factorization.

493591223151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7256 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The spelling of 493591223151 in words is "four hundred ninety-three billion, five hundred ninety-one million, two hundred twenty-three thousand, one hundred fifty-one".