418914949 has 2 divisors, whose sum is σ = 418914950. Its totient is φ = 418914948.

The previous prime is 418914931. The next prime is 418914971. The reversal of 418914949 is 949419814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252969025 + 165945924 = 15905^2 + 12882^2 .

It is a cyclic number.

It is not a de Polignac number, because 418914949 - 2⁹ = 418914437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418914919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209457474 + 209457475.

It is an arithmetic number, because the mean of its divisors is an integer number (209457475).

Almost surely, 2^418914949 is an apocalyptic number.

It is an amenable number.

418914949 is a deficient number, since it is larger than the sum of its proper divisors (1).

418914949 is an equidigital number, since it uses as much as digits as its factorization.

418914949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 49.

The square root of 418914949 is about 20467.4118783983. The cubic root of 418914949 is about 748.2417771277.

The spelling of 418914949 in words is "four hundred eighteen million, nine hundred fourteen thousand, nine hundred forty-nine".