43745638614 has 36 divisors (see below), whose sum is σ = 88455655476. Its totient is φ = 14422888944.

The previous prime is 43745638583. The next prime is 43745638631. The reversal of 43745638614 is 41683654734.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52768752 + ... + 52769580.

It is an arithmetic number, because the mean of its divisors is an integer number (2457101541).

Almost surely, 2^43745638614 is an apocalyptic number.

43745638614 is an abundant number, since it is smaller than the sum of its proper divisors (44710016862).

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

43745638614 is an frugal number, since it uses more digits than its factorization.

43745638614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869 (or 937 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 43745638614 in words is "forty-three billion, seven hundred forty-five million, six hundred thirty-eight thousand, six hundred fourteen".