492609357864 has 384 divisors, whose sum is σ = 1546182691200. Its totient is φ = 144445593600.

The previous prime is 492609357839. The next prime is 492609357869. The reversal of 492609357864 is 468753906294.

492609357864 is a `hidden beast` number, since 492 + 6 + 0 + 93 + 57 + 8 + 6 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (492609357869) 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 in 95 ways as a sum of consecutive naturals, for example, 595657819 + ... + 595658645.

It is an arithmetic number, because the mean of its divisors is an integer number (4026517425).

Almost surely, 2^492609357864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492609357864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773091345600).

492609357864 is an abundant number, since it is smaller than the sum of its proper divisors (1053573333336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492609357864 is a wasteful number, since it uses less digits than its factorization.

492609357864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 492609357864 in words is "four hundred ninety-two billion, six hundred nine million, three hundred fifty-seven thousand, eight hundred sixty-four".