489377945 has 24 divisors (see below), whose sum is σ = 687009600. Its totient is φ = 333668832.

The previous prime is 489377939. The next prime is 489377951. The reversal of 489377945 is 549773984.

It is an interprime number because it is at equal distance from previous prime (489377939) and next prime (489377951).

It is not a de Polignac number, because 489377945 - 2⁶ = 489377881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38276 + ... + 49434.

It is an arithmetic number, because the mean of its divisors is an integer number (28625400).

Almost surely, 2^489377945 is an apocalyptic number.

It is an amenable number.

489377945 is a deficient number, since it is larger than the sum of its proper divisors (197631655).

489377945 is a wasteful number, since it uses less digits than its factorization.

489377945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357 (or 11350 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 489377945 is about 22121.8883687627. Note that the first 3 decimals coincide. The cubic root of 489377945 is about 788.0397616438.

The spelling of 489377945 in words is "four hundred eighty-nine million, three hundred seventy-seven thousand, nine hundred forty-five".