2447851466 has 4 divisors (see below), whose sum is σ = 3671777202. Its totient is φ = 1223925732.

The previous prime is 2447851457. The next prime is 2447851507. The reversal of 2447851466 is 6641587442.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2295847225 + 152004241 = 47915^2 + 12329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2447851466.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 611962865 + ... + 611962868.

Almost surely, 2^2447851466 is an apocalyptic number.

2447851466 is a deficient number, since it is larger than the sum of its proper divisors (1223925736).

2447851466 is a wasteful number, since it uses less digits than its factorization.

2447851466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223925735.

The product of its digits is 1290240, while the sum is 47.

The square root of 2447851466 is about 49475.7664518702. The cubic root of 2447851466 is about 1347.7055614198.

The spelling of 2447851466 in words is "two billion, four hundred forty-seven million, eight hundred fifty-one thousand, four hundred sixty-six".