438673001894 has 8 divisors (see below), whose sum is σ = 658013024088. Its totient is φ = 219335327200.

The previous prime is 438673001887. The next prime is 438673001909. The reversal of 438673001894 is 498100376834.

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, 3872 + ... + 936675.

It is an arithmetic number, because the mean of its divisors is an integer number (82251628011).

Almost surely, 2^438673001894 is an apocalyptic number.

438673001894 is a deficient number, since it is larger than the sum of its proper divisors (219340022194).

438673001894 is a wasteful number, since it uses less digits than its factorization.

438673001894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173750.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 438673001894 in words is "four hundred thirty-eight billion, six hundred seventy-three million, one thousand, eight hundred ninety-four".