47238738623021 has 32 divisors (see below), whose sum is σ = 52603492715136. Its totient is φ = 42064049664000.

The previous prime is 47238738622973. The next prime is 47238738623051. The reversal of 47238738623021 is 12032683783274.

47238738623021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47238738623021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47238738623051) 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 31 ways as a sum of consecutive naturals, for example, 38640875 + ... + 39844631.

It is an arithmetic number, because the mean of its divisors is an integer number (1643859147348).

Almost surely, 2^{47238738623021} is an apocalyptic number.

It is an amenable number.

47238738623021 is a deficient number, since it is larger than the sum of its proper divisors (5364754092115).

47238738623021 is a wasteful number, since it uses less digits than its factorization.

47238738623021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204253.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 47238738623021 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred thirty-eight million, six hundred twenty-three thousand, twenty-one".