493296536421 has 24 divisors (see below), whose sum is σ = 767471435640. Its totient is φ = 303519125376.

The previous prime is 493296536417. The next prime is 493296536441. The reversal of 493296536421 is 124635692394.

493296536421 is a `hidden beast` number, since 49 + 3 + 29 + 6 + 536 + 42 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 115403563521 + 377892972900 = 339711^2 + 614730^2 .

It is not a de Polignac number, because 493296536421 - 2² = 493296536417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493296536441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417555 + ... + 1077471.

It is an arithmetic number, because the mean of its divisors is an integer number (31977976485).

Almost surely, 2^493296536421 is an apocalyptic number.

It is an amenable number.

493296536421 is a deficient number, since it is larger than the sum of its proper divisors (274174899219).

493296536421 is a wasteful number, since it uses less digits than its factorization.

493296536421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666325 (or 666322 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The spelling of 493296536421 in words is "four hundred ninety-three billion, two hundred ninety-six million, five hundred thirty-six thousand, four hundred twenty-one".