469568649 has 8 divisors (see below), whose sum is σ = 683008992. Its totient is φ = 284587040.

The previous prime is 469568479. The next prime is 469568651. The reversal of 469568649 is 946865964.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 469568649 - 2¹⁶ = 469503113 is a prime.

It is a super-2 number, since 2×469568649² = 440989432247370402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469568689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7114644 + ... + 7114709.

It is an arithmetic number, because the mean of its divisors is an integer number (85376124).

Almost surely, 2^469568649 is an apocalyptic number.

It is an amenable number.

469568649 is a deficient number, since it is larger than the sum of its proper divisors (213440343).

469568649 is a wasteful number, since it uses less digits than its factorization.

469568649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14229367.

The product of its digits is 11197440, while the sum is 57.

The square root of 469568649 is about 21669.5327360790. The cubic root of 469568649 is about 777.2600826456.

The spelling of 469568649 in words is "four hundred sixty-nine million, five hundred sixty-eight thousand, six hundred forty-nine".