43649794494 has 24 divisors (see below), whose sum is σ = 96881252832. Its totient is φ = 14195054880.

The previous prime is 43649794459. The next prime is 43649794501. The reversal of 43649794494 is 49449794634.

43649794494 is a `hidden beast` number, since 4 + 36 + 49 + 79 + 4 + 494 = 666.

43649794494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29572294 + ... + 29573769.

It is an arithmetic number, because the mean of its divisors is an integer number (4036718868).

Almost surely, 2^43649794494 is an apocalyptic number.

43649794494 is an abundant number, since it is smaller than the sum of its proper divisors (53231458338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43649794494 is a wasteful number, since it uses less digits than its factorization.

43649794494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59146112 (or 59146109 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 43649794494 in words is "forty-three billion, six hundred forty-nine million, seven hundred ninety-four thousand, four hundred ninety-four".