2466905044221 has 12 divisors (see below), whose sum is σ = 3595998180060. Its totient is φ = 1629515257920.

The previous prime is 2466905044181. The next prime is 2466905044231. The reversal of 2466905044221 is 1224405096642.

It is a happy number.

2466905044221 is a `hidden beast` number, since 2 + 46 + 69 + 0 + 504 + 42 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 798646068900 + 1668258975321 = 893670^2 + 1291611^2 .

It is not a de Polignac number, because 2466905044221 - 2⁹ = 2466905043709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466905044231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257341040 + ... + 1257343001.

It is an arithmetic number, because the mean of its divisors is an integer number (299666515005).

Almost surely, 2^{2466905044221} is an apocalyptic number.

It is an amenable number.

2466905044221 is a deficient number, since it is larger than the sum of its proper divisors (1129093135839).

2466905044221 is a wasteful number, since it uses less digits than its factorization.

2466905044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514684156 (or 2514684153 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 2466905044221 in words is "two trillion, four hundred sixty-six billion, nine hundred five million, forty-four thousand, two hundred twenty-one".