489970615 has 4 divisors (see below), whose sum is σ = 587964744. Its totient is φ = 391976488.

The previous prime is 489970609. The next prime is 489970627. The reversal of 489970615 is 516079984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489970615 - 2⁷ = 489970487 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48997057 + ... + 48997066.

It is an arithmetic number, because the mean of its divisors is an integer number (146991186).

Almost surely, 2^489970615 is an apocalyptic number.

489970615 is a deficient number, since it is larger than the sum of its proper divisors (97994129).

489970615 is an equidigital number, since it uses as much as digits as its factorization.

489970615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97994128.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 489970615 is about 22135.2798717342. The cubic root of 489970615 is about 788.3577565698.

The spelling of 489970615 in words is "four hundred eighty-nine million, nine hundred seventy thousand, six hundred fifteen".