426755449 has 2 divisors, whose sum is σ = 426755450. Its totient is φ = 426755448.

The previous prime is 426755443. The next prime is 426755453. The reversal of 426755449 is 944557624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403407225 + 23348224 = 20085^2 + 4832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426755449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426755399 and 426755408.

It is not a weakly prime, because it can be changed into another prime (426755443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213377724 + 213377725.

It is an arithmetic number, because the mean of its divisors is an integer number (213377725).

Almost surely, 2^426755449 is an apocalyptic number.

It is an amenable number.

426755449 is a deficient number, since it is larger than the sum of its proper divisors (1).

426755449 is an equidigital number, since it uses as much as digits as its factorization.

426755449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The square root of 426755449 is about 20658.0601461028. The cubic root of 426755449 is about 752.8810365924.

The spelling of 426755449 in words is "four hundred twenty-six million, seven hundred fifty-five thousand, four hundred forty-nine".