47969459838 has 24 divisors (see below), whose sum is σ = 104456118000. Its totient is φ = 15909467904.

The previous prime is 47969459831. The next prime is 47969459851. The reversal of 47969459838 is 83895496974.

47969459838 is a `hidden beast` number, since 4 + 7 + 96 + 9 + 459 + 83 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47969459831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6692323 + ... + 6699486.

It is an arithmetic number, because the mean of its divisors is an integer number (4352338250).

Almost surely, 2^47969459838 is an apocalyptic number.

47969459838 is an abundant number, since it is smaller than the sum of its proper divisors (56486658162).

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

47969459838 is a wasteful number, since it uses less digits than its factorization.

47969459838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392016 (or 13392013 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 47969459838 in words is "forty-seven billion, nine hundred sixty-nine million, four hundred fifty-nine thousand, eight hundred thirty-eight".