2447973529 has 3 divisors (see below), whose sum is σ = 2448023007. Its totient is φ = 2447924052.

The previous prime is 2447973503. The next prime is 2447973533. The reversal of 2447973529 is 9253797442.

The square root of 2447973529 is 49477.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 551545225 + 1896428304 = 23485^2 + 43548^2 .

It is not a de Polignac number, because 2447973529 - 2¹⁷ = 2447842457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2447973629) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24739 + ... + 74215.

It is an arithmetic number, because the mean of its divisors is an integer number (816007669).

Almost surely, 2^2447973529 is an apocalyptic number.

2447973529 is the 49477-th square number.

2447973529 is the 24739-th centered octagonal number.

It is an amenable number.

2447973529 is a deficient number, since it is larger than the sum of its proper divisors (49478).

2447973529 is an frugal number, since it uses more digits than its factorization.

2447973529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98954 (or 49477 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The cubic root of 2447973529 is about 1347.7279623228.

The spelling of 2447973529 in words is "two billion, four hundred forty-seven million, nine hundred seventy-three thousand, five hundred twenty-nine".