426273763 has 2 divisors, whose sum is σ = 426273764. Its totient is φ = 426273762.

The previous prime is 426273751. The next prime is 426273767. The reversal of 426273763 is 367372624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426273763 - 2⁹ = 426273251 is a prime.

It is not a weakly prime, because it can be changed into another prime (426273767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213136881 + 213136882.

It is an arithmetic number, because the mean of its divisors is an integer number (213136882).

Almost surely, 2^426273763 is an apocalyptic number.

426273763 is a deficient number, since it is larger than the sum of its proper divisors (1).

426273763 is an equidigital number, since it uses as much as digits as its factorization.

426273763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 40.

The square root of 426273763 is about 20646.3983057578. The cubic root of 426273763 is about 752.5976668191.

The spelling of 426273763 in words is "four hundred twenty-six million, two hundred seventy-three thousand, seven hundred sixty-three".