434124979 has 2 divisors, whose sum is σ = 434124980. Its totient is φ = 434124978.

The previous prime is 434124953. The next prime is 434125007. The reversal of 434124979 is 979421434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434124979 is a prime.

It is not a weakly prime, because it can be changed into another prime (434124919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217062489 + 217062490.

It is an arithmetic number, because the mean of its divisors is an integer number (217062490).

Almost surely, 2^434124979 is an apocalyptic number.

434124979 is a deficient number, since it is larger than the sum of its proper divisors (1).

434124979 is an equidigital number, since it uses as much as digits as its factorization.

434124979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 434124979 is about 20835.6660320711. Note that the first 3 decimals coincide. The cubic root of 434124979 is about 757.1900965576.

The spelling of 434124979 in words is "four hundred thirty-four million, one hundred twenty-four thousand, nine hundred seventy-nine".