469638853 has 2 divisors, whose sum is σ = 469638854. Its totient is φ = 469638852.

The previous prime is 469638839. The next prime is 469638881. The reversal of 469638853 is 358836964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360164484 + 109474369 = 18978^2 + 10463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469638853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 469638853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469638893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234819426 + 234819427.

It is an arithmetic number, because the mean of its divisors is an integer number (234819427).

Almost surely, 2^469638853 is an apocalyptic number.

It is an amenable number.

469638853 is a deficient number, since it is larger than the sum of its proper divisors (1).

469638853 is an equidigital number, since it uses as much as digits as its factorization.

469638853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 52.

The square root of 469638853 is about 21671.1525535676. The cubic root of 469638853 is about 777.2988161001.

The spelling of 469638853 in words is "four hundred sixty-nine million, six hundred thirty-eight thousand, eight hundred fifty-three".