1426450369 has 2 divisors, whose sum is σ = 1426450370. Its totient is φ = 1426450368.

The previous prime is 1426450343. The next prime is 1426450447. The reversal of 1426450369 is 9630546241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 847566769 + 578883600 = 29113^2 + 24060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426450369 - 2¹¹ = 1426448321 is a prime.

It is a super-2 number, since 2×1426450369² = 4069521310440472322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1426450469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713225184 + 713225185.

It is an arithmetic number, because the mean of its divisors is an integer number (713225185).

Almost surely, 2^1426450369 is an apocalyptic number.

It is an amenable number.

1426450369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426450369 is an equidigital number, since it uses as much as digits as its factorization.

1426450369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1426450369 is about 37768.3778973892. The cubic root of 1426450369 is about 1125.6902086221.

The spelling of 1426450369 in words is "one billion, four hundred twenty-six million, four hundred fifty thousand, three hundred sixty-nine".