426495709499 has 2 divisors, whose sum is σ = 426495709500. Its totient is φ = 426495709498.

The previous prime is 426495709469. The next prime is 426495709513. The reversal of 426495709499 is 994907594624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426495709499 - 2¹⁶ = 426495643963 is a prime.

It is not a weakly prime, because it can be changed into another prime (426495709439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213247854749 + 213247854750.

It is an arithmetic number, because the mean of its divisors is an integer number (213247854750).

Almost surely, 2^426495709499 is an apocalyptic number.

426495709499 is a deficient number, since it is larger than the sum of its proper divisors (1).

426495709499 is an equidigital number, since it uses as much as digits as its factorization.

426495709499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 68.

The spelling of 426495709499 in words is "four hundred twenty-six billion, four hundred ninety-five million, seven hundred nine thousand, four hundred ninety-nine".