47279952973 has 12 divisors (see below), whose sum is σ = 52045727580. Its totient is φ = 42918212480.

The previous prime is 47279952971. The next prime is 47279952977. The reversal of 47279952973 is 37925997274.

It can be written as a sum of positive squares in 2 ways, for example, as 40287314089 + 6992638884 = 200717^2 + 83622^2 .

It is not a de Polignac number, because 47279952973 - 2¹ = 47279952971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47279952971) 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, 206668 + ... + 370501.

It is an arithmetic number, because the mean of its divisors is an integer number (4337143965).

Almost surely, 2^47279952973 is an apocalyptic number.

It is an amenable number.

47279952973 is a deficient number, since it is larger than the sum of its proper divisors (4765774607).

47279952973 is a wasteful number, since it uses less digits than its factorization.

47279952973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577868 (or 577857 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 64.

The spelling of 47279952973 in words is "forty-seven billion, two hundred seventy-nine million, nine hundred fifty-two thousand, nine hundred seventy-three".