43893875046981 has 16 divisors (see below), whose sum is σ = 59358666751488. Its totient is φ = 28845961158000.

The previous prime is 43893875046971. The next prime is 43893875047003. The reversal of 43893875046981 is 18964057839834.

It is not a de Polignac number, because 43893875046981 - 2⁵ = 43893875046949 is a prime.

It is a super-2 number, since 2×43893875046981² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43893875046971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14598231 + ... + 17346356.

It is an arithmetic number, because the mean of its divisors is an integer number (3709916671968).

Almost surely, 2^{43893875046981} is an apocalyptic number.

It is an amenable number.

43893875046981 is a deficient number, since it is larger than the sum of its proper divisors (15464791704507).

43893875046981 is a wasteful number, since it uses less digits than its factorization.

43893875046981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31951112.

The product of its (nonzero) digits is 1254113280, while the sum is 75.

The spelling of 43893875046981 in words is "forty-three trillion, eight hundred ninety-three billion, eight hundred seventy-five million, forty-six thousand, nine hundred eighty-one".