47921953220 has 12 divisors (see below), whose sum is σ = 100636101804. Its totient is φ = 19168781280.

The previous prime is 47921953217. The next prime is 47921953243. The reversal of 47921953220 is 2235912974.

It can be written as a sum of positive squares in 2 ways, for example, as 23184325696 + 24737627524 = 152264^2 + 157282^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198048811 + ... + 1198048850.

It is an arithmetic number, because the mean of its divisors is an integer number (8386341817).

Almost surely, 2^47921953220 is an apocalyptic number.

It is an amenable number.

47921953220 is an abundant number, since it is smaller than the sum of its proper divisors (52714148584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47921953220 is a wasteful number, since it uses less digits than its factorization.

47921953220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396097670 (or 2396097668 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 47921953220 in words is "forty-seven billion, nine hundred twenty-one million, nine hundred fifty-three thousand, two hundred twenty".