489632945 has 16 divisors (see below), whose sum is σ = 620144640. Its totient is φ = 370093824.

The previous prime is 489632939. The next prime is 489632953. The reversal of 489632945 is 549236984.

489632945 = T₃₁₆₃ + T₃₁₆₄ + ... + T₃₂₅₇.

It is a cyclic number.

It is not a de Polignac number, because 489632945 - 2⁶ = 489632881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489632893 and 489632902.

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, 29657 + ... + 43113.

It is an arithmetic number, because the mean of its divisors is an integer number (38759040).

Almost surely, 2^489632945 is an apocalyptic number.

It is an amenable number.

489632945 is a deficient number, since it is larger than the sum of its proper divisors (130511695).

489632945 is a wasteful number, since it uses less digits than its factorization.

489632945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864.

The product of its digits is 1866240, while the sum is 50.

The square root of 489632945 is about 22127.6511405978. The cubic root of 489632945 is about 788.1766124142.

The spelling of 489632945 in words is "four hundred eighty-nine million, six hundred thirty-two thousand, nine hundred forty-five".