466378639 has 4 divisors (see below), whose sum is σ = 467542080. Its totient is φ = 465215200.

The previous prime is 466378637. The next prime is 466378651. The reversal of 466378639 is 936873664.

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

It is a cyclic number.

It is not a de Polignac number, because 466378639 - 2¹ = 466378637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466378637) 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 in 3 ways as a sum of consecutive naturals, for example, 581119 + ... + 581920.

It is an arithmetic number, because the mean of its divisors is an integer number (116885520).

Almost surely, 2^466378639 is an apocalyptic number.

466378639 is a deficient number, since it is larger than the sum of its proper divisors (1163441).

466378639 is a wasteful number, since it uses less digits than its factorization.

466378639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163440.

The product of its digits is 3919104, while the sum is 52.

The square root of 466378639 is about 21595.8014206466. The cubic root of 466378639 is about 775.4959788773.

The spelling of 466378639 in words is "four hundred sixty-six million, three hundred seventy-eight thousand, six hundred thirty-nine".