489951264065 has 16 divisors (see below), whose sum is σ = 626719814400. Its totient is φ = 366631080192.

The previous prime is 489951264031. The next prime is 489951264167. The reversal of 489951264065 is 560462159984.

It is a cyclic number.

It is not a de Polignac number, because 489951264065 - 2¹⁰ = 489951263041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489951263995 and 489951264013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32634152 + ... + 32649161.

It is an arithmetic number, because the mean of its divisors is an integer number (39169988400).

Almost surely, 2^489951264065 is an apocalyptic number.

It is an amenable number.

489951264065 is a deficient number, since it is larger than the sum of its proper divisors (136768550335).

489951264065 is a wasteful number, since it uses less digits than its factorization.

489951264065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65283416.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 489951264065 in words is "four hundred eighty-nine billion, nine hundred fifty-one million, two hundred sixty-four thousand, sixty-five".