497656149 has 4 divisors (see below), whose sum is σ = 663541536. Its totient is φ = 331770764.

The previous prime is 497656121. The next prime is 497656169. The reversal of 497656149 is 941656794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 497656149 - 2⁷ = 497656021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497656169) 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, 82942689 + ... + 82942694.

It is an arithmetic number, because the mean of its divisors is an integer number (165885384).

Almost surely, 2^497656149 is an apocalyptic number.

It is an amenable number.

497656149 is a deficient number, since it is larger than the sum of its proper divisors (165885387).

497656149 is a wasteful number, since it uses less digits than its factorization.

497656149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165885386.

The product of its digits is 1632960, while the sum is 51.

The square root of 497656149 is about 22308.2081082278. The cubic root of 497656149 is about 792.4583724946.

The spelling of 497656149 in words is "four hundred ninety-seven million, six hundred fifty-six thousand, one hundred forty-nine".