320130461650642 has 4 divisors (see below), whose sum is σ = 480195692475966. Its totient is φ = 160065230825320.

The previous prime is 320130461650639. The next prime is 320130461650651. The reversal of 320130461650642 is 246056164031023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 247938437015721 + 72192024634921 = 15746061^2 + 8496589^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 80032615412659 + ... + 80032615412662.

Almost surely, 2^{320130461650642} is an apocalyptic number.

320130461650642 is a deficient number, since it is larger than the sum of its proper divisors (160065230825324).

320130461650642 is a wasteful number, since it uses less digits than its factorization.

320130461650642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160065230825323.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 320130461650642 in words is "three hundred twenty trillion, one hundred thirty billion, four hundred sixty-one million, six hundred fifty thousand, six hundred forty-two".