234420999929 has 2 divisors, whose sum is σ = 234420999930. Its totient is φ = 234420999928.

The previous prime is 234420999889. The next prime is 234420999959. The reversal of 234420999929 is 929999024432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200123811904 + 34297188025 = 447352^2 + 185195^2 .

It is a cyclic number.

It is not a de Polignac number, because 234420999929 - 2¹² = 234420995833 is a prime.

It is not a weakly prime, because it can be changed into another prime (234420999959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117210499964 + 117210499965.

It is an arithmetic number, because the mean of its divisors is an integer number (117210499965).

Almost surely, 2^234420999929 is an apocalyptic number.

It is an amenable number.

234420999929 is a deficient number, since it is larger than the sum of its proper divisors (1).

234420999929 is an equidigital number, since it uses as much as digits as its factorization.

234420999929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22674816, while the sum is 62.

The spelling of 234420999929 in words is "two hundred thirty-four billion, four hundred twenty million, nine hundred ninety-nine thousand, nine hundred twenty-nine".