47427290242 has 4 divisors (see below), whose sum is σ = 71140935366. Its totient is φ = 23713645120.

The previous prime is 47427290233. The next prime is 47427290269. The reversal of 47427290242 is 24209272474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24209272474 = 2 ⋅12104636237.

It can be written as a sum of positive squares in only one way, i.e., 42642663001 + 4784627241 = 206501^2 + 69171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11856822559 + ... + 11856822562.

Almost surely, 2^47427290242 is an apocalyptic number.

47427290242 is a deficient number, since it is larger than the sum of its proper divisors (23713645124).

47427290242 is a wasteful number, since it uses less digits than its factorization.

47427290242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713645123.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 47427290242 in words is "forty-seven billion, four hundred twenty-seven million, two hundred ninety thousand, two hundred forty-two".