650320462111979 has 2 divisors, whose sum is σ = 650320462111980. Its totient is φ = 650320462111978.

The previous prime is 650320462111963. The next prime is 650320462112093. The reversal of 650320462111979 is 979111264023056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650320462111979 - 2⁴ = 650320462111963 is a prime.

It is a super-2 number, since 2×650320462111979² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (650320462111079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325160231055989 + 325160231055990.

It is an arithmetic number, because the mean of its divisors is an integer number (325160231055990).

Almost surely, 2^{650320462111979} is an apocalyptic number.

650320462111979 is a deficient number, since it is larger than the sum of its proper divisors (1).

650320462111979 is an equidigital number, since it uses as much as digits as its factorization.

650320462111979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 650320462111979 in words is "six hundred fifty trillion, three hundred twenty billion, four hundred sixty-two million, one hundred eleven thousand, nine hundred seventy-nine".