214390902193 has 4 divisors (see below), whose sum is σ = 230882510068. Its totient is φ = 197899294320.

The previous prime is 214390902191. The next prime is 214390902211. The reversal of 214390902193 is 391209093412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10369756224 + 204021145969 = 101832^2 + 451687^2 .

It is not a de Polignac number, because 214390902193 - 2¹ = 214390902191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214390902191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8245803918 + ... + 8245803943.

It is an arithmetic number, because the mean of its divisors is an integer number (57720627517).

Almost surely, 2^214390902193 is an apocalyptic number.

It is an amenable number.

214390902193 is a deficient number, since it is larger than the sum of its proper divisors (16491607875).

214390902193 is a wasteful number, since it uses less digits than its factorization.

214390902193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491607874.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 214390902193 in words is "two hundred fourteen billion, three hundred ninety million, nine hundred two thousand, one hundred ninety-three".