418722049 has 2 divisors, whose sum is σ = 418722050. Its totient is φ = 418722048.

The previous prime is 418722047. The next prime is 418722067. The reversal of 418722049 is 940227814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288762049 + 129960000 = 16993^2 + 11400^2 .

It is a cyclic number.

It is not a de Polignac number, because 418722049 - 2¹ = 418722047 is a prime.

Together with 418722047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 418721999 and 418722017.

It is not a weakly prime, because it can be changed into another prime (418722043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209361024 + 209361025.

It is an arithmetic number, because the mean of its divisors is an integer number (209361025).

Almost surely, 2^418722049 is an apocalyptic number.

It is an amenable number.

418722049 is a deficient number, since it is larger than the sum of its proper divisors (1).

418722049 is an equidigital number, since it uses as much as digits as its factorization.

418722049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 418722049 is about 20462.6989666564. The cubic root of 418722049 is about 748.1269105347.

The spelling of 418722049 in words is "four hundred eighteen million, seven hundred twenty-two thousand, forty-nine".