214029979 has 2 divisors, whose sum is σ = 214029980. Its totient is φ = 214029978.

The previous prime is 214029961. The next prime is 214029989. The reversal of 214029979 is 979920412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214029979 is a prime.

It is not a weakly prime, because it can be changed into another prime (214029989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107014989 + 107014990.

It is an arithmetic number, because the mean of its divisors is an integer number (107014990).

Almost surely, 2^214029979 is an apocalyptic number.

214029979 is a deficient number, since it is larger than the sum of its proper divisors (1).

214029979 is an equidigital number, since it uses as much as digits as its factorization.

214029979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 214029979 is about 14629.7634635697. The cubic root of 214029979 is about 598.1703326821.

The spelling of 214029979 in words is "two hundred fourteen million, twenty-nine thousand, nine hundred seventy-nine".