43497494884 has 24 divisors (see below), whose sum is σ = 81485056800. Its totient is φ = 20254852800.

The previous prime is 43497494881. The next prime is 43497494897. The reversal of 43497494884 is 48849479434.

It is a super-2 number, since 2×43497494884² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43497494881) 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, 4845817 + ... + 4854784.

It is an arithmetic number, because the mean of its divisors is an integer number (3395210700).

Almost surely, 2^43497494884 is an apocalyptic number.

It is an amenable number.

43497494884 is a deficient number, since it is larger than the sum of its proper divisors (37987561916).

43497494884 is a wasteful number, since it uses less digits than its factorization.

43497494884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700683 (or 9700681 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 64.

The spelling of 43497494884 in words is "forty-three billion, four hundred ninety-seven million, four hundred ninety-four thousand, eight hundred eighty-four".