43242605654 has 4 divisors (see below), whose sum is σ = 64863908484. Its totient is φ = 21621302826.

The previous prime is 43242605641. The next prime is 43242605663. The reversal of 43242605654 is 45650624234.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10810651412 + ... + 10810651415.

It is an arithmetic number, because the mean of its divisors is an integer number (16215977121).

Almost surely, 2^43242605654 is an apocalyptic number.

43242605654 is a deficient number, since it is larger than the sum of its proper divisors (21621302830).

43242605654 is a wasteful number, since it uses less digits than its factorization.

43242605654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621302829.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 43242605654 in words is "forty-three billion, two hundred forty-two million, six hundred five thousand, six hundred fifty-four".