450642419 has 2 divisors, whose sum is σ = 450642420. Its totient is φ = 450642418.

The previous prime is 450642389. The next prime is 450642431. The reversal of 450642419 is 914246054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450642419 is a prime.

It is a super-2 number, since 2×450642419² = 406157179604343122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450642119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225321209 + 225321210.

It is an arithmetic number, because the mean of its divisors is an integer number (225321210).

Almost surely, 2^450642419 is an apocalyptic number.

450642419 is a deficient number, since it is larger than the sum of its proper divisors (1).

450642419 is an equidigital number, since it uses as much as digits as its factorization.

450642419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 450642419 is about 21228.3399963351. The cubic root of 450642419 is about 766.6739195491.

The spelling of 450642419 in words is "four hundred fifty million, six hundred forty-two thousand, four hundred nineteen".