469475649 has 8 divisors (see below), whose sum is σ = 695519520. Its totient is φ = 312983748.

The previous prime is 469475597. The next prime is 469475653. The reversal of 469475649 is 946574964.

It is a happy number.

It is not a de Polignac number, because 469475649 - 2⁹ = 469475137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 469475595 and 469475604.

It is not an unprimeable number, because it can be changed into a prime (469475659) 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, 8693967 + ... + 8694020.

It is an arithmetic number, because the mean of its divisors is an integer number (86939940).

Almost surely, 2^469475649 is an apocalyptic number.

It is an amenable number.

469475649 is a deficient number, since it is larger than the sum of its proper divisors (226043871).

469475649 is a wasteful number, since it uses less digits than its factorization.

469475649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387996 (or 17387990 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 469475649 is about 21667.3867598287. The cubic root of 469475649 is about 777.2087660735.

The spelling of 469475649 in words is "four hundred sixty-nine million, four hundred seventy-five thousand, six hundred forty-nine".