214721498338 has 4 divisors (see below), whose sum is σ = 322082247510. Its totient is φ = 107360749168.

The previous prime is 214721498263. The next prime is 214721498351. The reversal of 214721498338 is 833894127412.

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

It can be written as a sum of positive squares in only one way, i.e., 201840837289 + 12880661049 = 449267^2 + 113493^2 .

It is a super-2 number, since 2×214721498338² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53680374583 + ... + 53680374586.

Almost surely, 2^214721498338 is an apocalyptic number.

214721498338 is a deficient number, since it is larger than the sum of its proper divisors (107360749172).

214721498338 is a wasteful number, since it uses less digits than its factorization.

214721498338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107360749171.

The product of its digits is 2322432, while the sum is 52.

The spelling of 214721498338 in words is "two hundred fourteen billion, seven hundred twenty-one million, four hundred ninety-eight thousand, three hundred thirty-eight".