1426366663 has 2 divisors, whose sum is σ = 1426366664. Its totient is φ = 1426366662.

The previous prime is 1426366639. The next prime is 1426366673. The reversal of 1426366663 is 3666636241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426366663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426366673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713183331 + 713183332.

It is an arithmetic number, because the mean of its divisors is an integer number (713183332).

Almost surely, 2^1426366663 is an apocalyptic number.

1426366663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426366663 is an equidigital number, since it uses as much as digits as its factorization.

1426366663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 43.

The square root of 1426366663 is about 37767.2697318723. The cubic root of 1426366663 is about 1125.6681891931.

The spelling of 1426366663 in words is "one billion, four hundred twenty-six million, three hundred sixty-six thousand, six hundred sixty-three".