497189659 has 4 divisors (see below), whose sum is σ = 514334160. Its totient is φ = 480045160.

The previous prime is 497189653. The next prime is 497189677. The reversal of 497189659 is 956981794.

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 497189659 - 2¹⁷ = 497058587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497189653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8572207 + ... + 8572264.

It is an arithmetic number, because the mean of its divisors is an integer number (128583540).

Almost surely, 2^497189659 is an apocalyptic number.

497189659 is a deficient number, since it is larger than the sum of its proper divisors (17144501).

497189659 is a wasteful number, since it uses less digits than its factorization.

497189659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144500.

The product of its digits is 4898880, while the sum is 58.

The square root of 497189659 is about 22297.7500882937. The cubic root of 497189659 is about 792.2106850939.

The spelling of 497189659 in words is "four hundred ninety-seven million, one hundred eighty-nine thousand, six hundred fifty-nine".