426362549 has 2 divisors, whose sum is σ = 426362550. Its totient is φ = 426362548.

The previous prime is 426362539. The next prime is 426362551. The reversal of 426362549 is 945263624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293882449 + 132480100 = 17143^2 + 11510^2 .

It is a cyclic number.

It is not a de Polignac number, because 426362549 - 2²⁴ = 409585333 is a prime.

Together with 426362551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426362509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213181274 + 213181275.

It is an arithmetic number, because the mean of its divisors is an integer number (213181275).

Almost surely, 2^426362549 is an apocalyptic number.

It is an amenable number.

426362549 is a deficient number, since it is larger than the sum of its proper divisors (1).

426362549 is an equidigital number, since it uses as much as digits as its factorization.

426362549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 426362549 is about 20648.5483509132. The cubic root of 426362549 is about 752.6499145400.

The spelling of 426362549 in words is "four hundred twenty-six million, three hundred sixty-two thousand, five hundred forty-nine".