47398543621893 has 12 divisors (see below), whose sum is σ = 68466871474560. Its totient is φ = 31597963635816.

The previous prime is 47398543621859. The next prime is 47398543621901. The reversal of 47398543621893 is 39812634589374.

It is a happy number.

47398543621893 is a `hidden beast` number, since 4 + 7 + 3 + 9 + 8 + 5 + 436 + 2 + 189 + 3 = 666.

It is not a de Polignac number, because 47398543621893 - 2⁶ = 47398543621829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47398543661893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88505323 + ... + 89039256.

It is an arithmetic number, because the mean of its divisors is an integer number (5705572622880).

Almost surely, 2^{47398543621893} is an apocalyptic number.

It is an amenable number.

47398543621893 is a deficient number, since it is larger than the sum of its proper divisors (21068327852667).

47398543621893 is a wasteful number, since it uses less digits than its factorization.

47398543621893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177574248 (or 177574245 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 47398543621893 in words is "forty-seven trillion, three hundred ninety-eight billion, five hundred forty-three million, six hundred twenty-one thousand, eight hundred ninety-three".