469963909 has 2 divisors, whose sum is σ = 469963910. Its totient is φ = 469963908.

The previous prime is 469963891. The next prime is 469963919. The reversal of 469963909 is 909369964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309232225 + 160731684 = 17585^2 + 12678^2 .

It is a cyclic number.

It is not a de Polignac number, because 469963909 - 2¹¹ = 469961861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 469963909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469963919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234981954 + 234981955.

It is an arithmetic number, because the mean of its divisors is an integer number (234981955).

Almost surely, 2^469963909 is an apocalyptic number.

It is an amenable number.

469963909 is a deficient number, since it is larger than the sum of its proper divisors (1).

469963909 is an equidigital number, since it uses as much as digits as its factorization.

469963909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2834352, while the sum is 55.

The square root of 469963909 is about 21678.6509958530. The cubic root of 469963909 is about 777.4781080329.

It can be divided in two parts, 46996 and 3909, that added together give a palindrome (50905).

The spelling of 469963909 in words is "four hundred sixty-nine million, nine hundred sixty-three thousand, nine hundred nine".