47921969020 has 12 divisors (see below), whose sum is σ = 100636134984. Its totient is φ = 19168787600.

The previous prime is 47921969009. The next prime is 47921969047. The reversal of 47921969020 is 2096912974.

It is a super-2 number, since 2×47921969020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198049206 + ... + 1198049245.

It is an arithmetic number, because the mean of its divisors is an integer number (8386344582).

Almost surely, 2^47921969020 is an apocalyptic number.

It is an amenable number.

47921969020 is an abundant number, since it is smaller than the sum of its proper divisors (52714165964).

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

47921969020 is a wasteful number, since it uses less digits than its factorization.

47921969020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396098460 (or 2396098458 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 47921969020 in words is "forty-seven billion, nine hundred twenty-one million, nine hundred sixty-nine thousand, twenty".