47094748981 has 32 divisors (see below), whose sum is σ = 58575052800. Its totient is φ = 36950437440.

The previous prime is 47094748973. The next prime is 47094749017. The reversal of 47094748981 is 18984749074.

It is not a de Polignac number, because 47094748981 - 2³ = 47094748973 is a prime.

It is a super-2 number, since 2×47094748981² (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 (47094748901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2708391 + ... + 2725723.

It is an arithmetic number, because the mean of its divisors is an integer number (1830470400).

Almost surely, 2^47094748981 is an apocalyptic number.

It is an amenable number.

47094748981 is a deficient number, since it is larger than the sum of its proper divisors (11480303819).

47094748981 is a wasteful number, since it uses less digits than its factorization.

47094748981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18049.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 47094748981 in words is "forty-seven billion, ninety-four million, seven hundred forty-eight thousand, nine hundred eighty-one".