416949749 has 2 divisors, whose sum is σ = 416949750. Its totient is φ = 416949748.

The previous prime is 416949739. The next prime is 416949751. The reversal of 416949749 is 947949614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416445649 + 504100 = 20407^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 416949749 - 2²⁴ = 400172533 is a prime.

Together with 416949751, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416949749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416949719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208474874 + 208474875.

It is an arithmetic number, because the mean of its divisors is an integer number (208474875).

Almost surely, 2^416949749 is an apocalyptic number.

It is an amenable number.

416949749 is a deficient number, since it is larger than the sum of its proper divisors (1).

416949749 is an equidigital number, since it uses as much as digits as its factorization.

416949749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 416949749 is about 20419.3474185636. The cubic root of 416949749 is about 747.0699003361.

The spelling of 416949749 in words is "four hundred sixteen million, nine hundred forty-nine thousand, seven hundred forty-nine".