650406642361 has 16 divisors (see below), whose sum is σ = 770593195008.
Its totient is φ = 537192288000.
The previous prime is 650406642343. The next prime is 650406642377. The reversal of 650406642361 is 163246604056.
It is a cyclic number.
It is not a de Polignac number, because 650406642361 - 29 = 650406641849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (650406642311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6381340 + ... + 6482461.
It is an arithmetic number, because the mean of its divisors is an integer number (48162074688).
Almost surely, 2650406642361 is an apocalyptic number.
It is an amenable number.
650406642361 is a deficient number, since it is larger than the sum of its proper divisors (120186552647).
650406642361 is a wasteful number, since it uses less digits than its factorization.
650406642361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12864072.
The product of its (nonzero) digits is 622080, while the sum is 43.
The spelling of 650406642361 in words is "six hundred fifty billion, four hundred six million, six hundred forty-two thousand, three hundred sixty-one".