47925570218 has 4 divisors (see below), whose sum is σ = 71888355330. Its totient is φ = 23962785108.

The previous prime is 47925570193. The next prime is 47925570229. The reversal of 47925570218 is 81207552974.

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., 32683939369 + 15241630849 = 180787^2 + 123457^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11981392553 + ... + 11981392556.

Almost surely, 2^47925570218 is an apocalyptic number.

47925570218 is a deficient number, since it is larger than the sum of its proper divisors (23962785112).

47925570218 is a wasteful number, since it uses less digits than its factorization.

47925570218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23962785111.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 47925570218 in words is "forty-seven billion, nine hundred twenty-five million, five hundred seventy thousand, two hundred eighteen".