214151979442 has 8 divisors (see below), whose sum is σ = 321231484332. Its totient is φ = 107074818000.

The previous prime is 214151979427. The next prime is 214151979527. The reversal of 214151979442 is 244979151412.

214151979442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178040958601 + 36111020841 = 421949^2 + 190029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×214151979442² (a number of 23 digits) contains 22 as substring.

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, 336109 + ... + 735712.

Almost surely, 2^214151979442 is an apocalyptic number.

214151979442 is a deficient number, since it is larger than the sum of its proper divisors (107079504890).

214151979442 is a wasteful number, since it uses less digits than its factorization.

214151979442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171724.

The product of its digits is 725760, while the sum is 49.

The spelling of 214151979442 in words is "two hundred fourteen billion, one hundred fifty-one million, nine hundred seventy-nine thousand, four hundred forty-two".