214334396728 has 8 divisors (see below), whose sum is σ = 401876993880. Its totient is φ = 107167198360.

The previous prime is 214334396693. The next prime is 214334396767. The reversal of 214334396728 is 827693433412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395899788 + ... + 13395899803.

It is an arithmetic number, because the mean of its divisors is an integer number (50234624235).

Almost surely, 2^214334396728 is an apocalyptic number.

It is an amenable number.

214334396728 is a deficient number, since it is larger than the sum of its proper divisors (187542597152).

214334396728 is a wasteful number, since it uses less digits than its factorization.

214334396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26791799597 (or 26791799593 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The spelling of 214334396728 in words is "two hundred fourteen billion, three hundred thirty-four million, three hundred ninety-six thousand, seven hundred twenty-eight".