47554412981 has 8 divisors (see below), whose sum is σ = 47920148640. Its totient is φ = 47189014992.

The previous prime is 47554412861. The next prime is 47554413029. The reversal of 47554412981 is 18921445574.

47554412981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47554412981 - 2¹⁴ = 47554396597 is a prime.

It is a super-2 number, since 2×47554412981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47254412981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202046 + ... + 368688.

It is an arithmetic number, because the mean of its divisors is an integer number (5990018580).

Almost surely, 2^47554412981 is an apocalyptic number.

It is an amenable number.

47554412981 is a deficient number, since it is larger than the sum of its proper divisors (365735659).

47554412981 is a wasteful number, since it uses less digits than its factorization.

47554412981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168835.

The product of its digits is 1612800, while the sum is 50.

The spelling of 47554412981 in words is "forty-seven billion, five hundred fifty-four million, four hundred twelve thousand, nine hundred eighty-one".