1426481317 has 2 divisors, whose sum is σ = 1426481318. Its totient is φ = 1426481316.

The previous prime is 1426481281. The next prime is 1426481351. The reversal of 1426481317 is 7131846241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803779201 + 622702116 = 28351^2 + 24954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426481317 - 2¹¹ = 1426479269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426481417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713240658 + 713240659.

It is an arithmetic number, because the mean of its divisors is an integer number (713240659).

Almost surely, 2^1426481317 is an apocalyptic number.

It is an amenable number.

1426481317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426481317 is an equidigital number, since it uses as much as digits as its factorization.

1426481317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 1426481317 is about 37768.7876029930. The cubic root of 1426481317 is about 1125.6983494845.

The spelling of 1426481317 in words is "one billion, four hundred twenty-six million, four hundred eighty-one thousand, three hundred seventeen".