47405988421 has 16 divisors (see below), whose sum is σ = 53555927040. Its totient is φ = 41586919920.

The previous prime is 47405988407. The next prime is 47405988433. The reversal of 47405988421 is 12488950474.

It is a cyclic number.

It is not a de Polignac number, because 47405988421 - 2⁵ = 47405988389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47405988451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 564501 + ... + 643018.

It is an arithmetic number, because the mean of its divisors is an integer number (3347245440).

Almost surely, 2^47405988421 is an apocalyptic number.

It is an amenable number.

47405988421 is a deficient number, since it is larger than the sum of its proper divisors (6149938619).

47405988421 is a wasteful number, since it uses less digits than its factorization.

47405988421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207656.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 47405988421 in words is "forty-seven billion, four hundred five million, nine hundred eighty-eight thousand, four hundred twenty-one".