650421424325 has 12 divisors (see below), whose sum is σ = 817570822788. Its totient is φ = 513209232000.

The previous prime is 650421424321. The next prime is 650421424337. The reversal of 650421424325 is 523424124056.

It can be written as a sum of positive squares in 6 ways, for example, as 23919096964 + 626502327361 = 154658^2 + 791519^2 .

It is not a de Polignac number, because 650421424325 - 2² = 650421424321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650421424321) 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 11 ways as a sum of consecutive naturals, for example, 178195826 + ... + 178199475.

It is an arithmetic number, because the mean of its divisors is an integer number (68130901899).

Almost surely, 2^650421424325 is an apocalyptic number.

It is an amenable number.

650421424325 is a deficient number, since it is larger than the sum of its proper divisors (167149398463).

650421424325 is a wasteful number, since it uses less digits than its factorization.

650421424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356395384 (or 356395379 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 650421424325 in words is "six hundred fifty billion, four hundred twenty-one million, four hundred twenty-four thousand, three hundred twenty-five".