2447782473 has 4 divisors (see below), whose sum is σ = 3263709968. Its totient is φ = 1631854980.

The previous prime is 2447782427. The next prime is 2447782481. The reversal of 2447782473 is 3742877442.

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 not a de Polignac number, because 2447782473 - 2⁹ = 2447781961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2447784473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407963743 + ... + 407963748.

It is an arithmetic number, because the mean of its divisors is an integer number (815927492).

Almost surely, 2^2447782473 is an apocalyptic number.

It is an amenable number.

2447782473 is a deficient number, since it is larger than the sum of its proper divisors (815927495).

2447782473 is an equidigital number, since it uses as much as digits as its factorization.

2447782473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815927494.

The product of its digits is 2107392, while the sum is 48.

The square root of 2447782473 is about 49475.0692066216. The cubic root of 2447782473 is about 1347.6928995509.

The spelling of 2447782473 in words is "two billion, four hundred forty-seven million, seven hundred eighty-two thousand, four hundred seventy-three".