120464547809 has 2 divisors, whose sum is σ = 120464547810. Its totient is φ = 120464547808.

The previous prime is 120464547803. The next prime is 120464547871. The reversal of 120464547809 is 908745464021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61084605409 + 59379942400 = 247153^2 + 243680^2 .

It is a cyclic number.

It is not a de Polignac number, because 120464547809 - 2²⁸ = 120196112353 is a prime.

It is not a weakly prime, because it can be changed into another prime (120464547803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60232273904 + 60232273905.

It is an arithmetic number, because the mean of its divisors is an integer number (60232273905).

Almost surely, 2^120464547809 is an apocalyptic number.

It is an amenable number.

120464547809 is a deficient number, since it is larger than the sum of its proper divisors (1).

120464547809 is an equidigital number, since it uses as much as digits as its factorization.

120464547809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 120464547809 in words is "one hundred twenty billion, four hundred sixty-four million, five hundred forty-seven thousand, eight hundred nine".