466669639 has 8 divisors (see below), whose sum is σ = 470728800. Its totient is φ = 462623136.

The previous prime is 466669613. The next prime is 466669661. The reversal of 466669639 is 936966664.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 466669639 - 2¹⁵ = 466636871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 466669639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466669699) 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, 80182 + ... + 85804.

It is an arithmetic number, because the mean of its divisors is an integer number (58841100).

Almost surely, 2^466669639 is an apocalyptic number.

466669639 is a deficient number, since it is larger than the sum of its proper divisors (4059161).

466669639 is a wasteful number, since it uses less digits than its factorization.

466669639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329.

The product of its digits is 7558272, while the sum is 55.

The square root of 466669639 is about 21602.5377907319. The cubic root of 466669639 is about 775.6572372707.

It can be divided in two parts, 4666 and 69639, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 466669639 in words is "four hundred sixty-six million, six hundred sixty-nine thousand, six hundred thirty-nine".