466978653281 has 4 divisors (see below), whose sum is σ = 533689889472. Its totient is φ = 400267417092.

The previous prime is 466978653263. The next prime is 466978653319. The reversal of 466978653281 is 182356879664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466978653281 is a prime.

It is a super-2 number, since 2×466978653281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (466978653241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33355618085 + ... + 33355618098.

It is an arithmetic number, because the mean of its divisors is an integer number (133422472368).

Almost surely, 2^466978653281 is an apocalyptic number.

It is an amenable number.

466978653281 is a deficient number, since it is larger than the sum of its proper divisors (66711236191).

466978653281 is an equidigital number, since it uses as much as digits as its factorization.

466978653281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66711236190.

The product of its digits is 104509440, while the sum is 65.

The spelling of 466978653281 in words is "four hundred sixty-six billion, nine hundred seventy-eight million, six hundred fifty-three thousand, two hundred eighty-one".