469020865 has 4 divisors (see below), whose sum is σ = 562825044. Its totient is φ = 375216688.

The previous prime is 469020809. The next prime is 469020869. The reversal of 469020865 is 568020964.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 253987969 = 14664^2 + 15937^2 .

It is a cyclic number.

It is not a de Polignac number, because 469020865 - 2¹⁹ = 468496577 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (469020869) 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, 46902082 + ... + 46902091.

It is an arithmetic number, because the mean of its divisors is an integer number (140706261).

Almost surely, 2^469020865 is an apocalyptic number.

It is an amenable number.

469020865 is a deficient number, since it is larger than the sum of its proper divisors (93804179).

469020865 is an equidigital number, since it uses as much as digits as its factorization.

469020865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93804178.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 469020865 is about 21656.8895504410. The cubic root of 469020865 is about 776.9577226613.

Subtracting 469020865 from its reverse (568020964), we obtain a palindrome (99000099).

The spelling of 469020865 in words is "four hundred sixty-nine million, twenty thousand, eight hundred sixty-five".