438616441654 has 8 divisors (see below), whose sum is σ = 670338335520. Its totient is φ = 215170329816.

The previous prime is 438616441621. The next prime is 438616441661. The reversal of 438616441654 is 456144616834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068945374 + ... + 2068945585.

It is an arithmetic number, because the mean of its divisors is an integer number (83792291940).

Almost surely, 2^438616441654 is an apocalyptic number.

438616441654 is a deficient number, since it is larger than the sum of its proper divisors (231721893866).

438616441654 is a wasteful number, since it uses less digits than its factorization.

438616441654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137891014.

The product of its digits is 6635520, while the sum is 52.

The spelling of 438616441654 in words is "four hundred thirty-eight billion, six hundred sixteen million, four hundred forty-one thousand, six hundred fifty-four".