214257105838 has 4 divisors (see below), whose sum is σ = 321385658760. Its totient is φ = 107128552918.

The previous prime is 214257105823. The next prime is 214257105893. The reversal of 214257105838 is 838501752412.

It is a happy number.

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

It is a super-2 number, since 2×214257105838² (a number of 23 digits) contains 22 as substring.

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, 53564276458 + ... + 53564276461.

It is an arithmetic number, because the mean of its divisors is an integer number (80346414690).

Almost surely, 2^214257105838 is an apocalyptic number.

214257105838 is a deficient number, since it is larger than the sum of its proper divisors (107128552922).

214257105838 is a wasteful number, since it uses less digits than its factorization.

214257105838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107128552921.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 214257105838 in words is "two hundred fourteen billion, two hundred fifty-seven million, one hundred five thousand, eight hundred thirty-eight".