609829354464 has 48 divisors (see below), whose sum is σ = 1746329518080. Its totient is φ = 184796773760.

The previous prime is 609829354451. The next prime is 609829354469. The reversal of 609829354464 is 464453928906.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 609829354398 and 609829354407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609829354469) 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 7 ways as a sum of consecutive naturals, for example, 288743904 + ... + 288746015.

It is an arithmetic number, because the mean of its divisors is an integer number (36381864960).

Almost surely, 2^609829354464 is an apocalyptic number.

It is an amenable number.

609829354464 is an abundant number, since it is smaller than the sum of its proper divisors (1136500163616).

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

609829354464 is a wasteful number, since it uses less digits than its factorization.

609829354464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577489943 (or 577489935 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 60.

The spelling of 609829354464 in words is "six hundred nine billion, eight hundred twenty-nine million, three hundred fifty-four thousand, four hundred sixty-four".