1426335161 has 2 divisors, whose sum is σ = 1426335162. Its totient is φ = 1426335160.

The previous prime is 1426335137. The next prime is 1426335181. The reversal of 1426335161 is 1615336241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809061136 + 617274025 = 28444^2 + 24845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426335161 - 2¹⁸ = 1426073017 is a prime.

It is a super-3 number, since 3×1426335161³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1426335181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713167580 + 713167581.

It is an arithmetic number, because the mean of its divisors is an integer number (713167581).

Almost surely, 2^1426335161 is an apocalyptic number.

It is an amenable number.

1426335161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426335161 is an equidigital number, since it uses as much as digits as its factorization.

1426335161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 1426335161 is about 37766.8526753289. The cubic root of 1426335161 is about 1125.6599021560.

The spelling of 1426335161 in words is "one billion, four hundred twenty-six million, three hundred thirty-five thousand, one hundred sixty-one".