229963379 has 2 divisors, whose sum is σ = 229963380. Its totient is φ = 229963378.

The previous prime is 229963337. The next prime is 229963381. The reversal of 229963379 is 973369922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229963379 is a prime.

Together with 229963381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229963309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114981689 + 114981690.

It is an arithmetic number, because the mean of its divisors is an integer number (114981690).

Almost surely, 2^229963379 is an apocalyptic number.

229963379 is a deficient number, since it is larger than the sum of its proper divisors (1).

229963379 is an equidigital number, since it uses as much as digits as its factorization.

229963379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 50.

The square root of 229963379 is about 15164.5434814240. The cubic root of 229963379 is about 612.6600478048.

The spelling of 229963379 in words is "two hundred twenty-nine million, nine hundred sixty-three thousand, three hundred seventy-nine".