469545938638 has 32 divisors (see below), whose sum is σ = 826803177984. Its totient is φ = 195768630432.

The previous prime is 469545938629. The next prime is 469545938639. The reversal of 469545938638 is 836839545964.

It is a super-2 number, since 2×469545938638² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469545938639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017495 + ... + 4132717.

It is an arithmetic number, because the mean of its divisors is an integer number (25837599312).

Almost surely, 2^469545938638 is an apocalyptic number.

469545938638 is a deficient number, since it is larger than the sum of its proper divisors (357257239346).

469545938638 is a wasteful number, since it uses less digits than its factorization.

469545938638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123136.

The product of its digits is 671846400, while the sum is 70.

The spelling of 469545938638 in words is "four hundred sixty-nine billion, five hundred forty-five million, nine hundred thirty-eight thousand, six hundred thirty-eight".