424427265169 has 2 divisors, whose sum is σ = 424427265170. Its totient is φ = 424427265168.

The previous prime is 424427265107. The next prime is 424427265187. The reversal of 424427265169 is 961562724424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246437780625 + 177989484544 = 496425^2 + 421888^2 .

It is a cyclic number.

It is not a de Polignac number, because 424427265169 - 2²⁵ = 424393710737 is a prime.

It is a super-2 number, since 2×424427265169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424427262169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212213632584 + 212213632585.

It is an arithmetic number, because the mean of its divisors is an integer number (212213632585).

Almost surely, 2^424427265169 is an apocalyptic number.

It is an amenable number.

424427265169 is a deficient number, since it is larger than the sum of its proper divisors (1).

424427265169 is an equidigital number, since it uses as much as digits as its factorization.

424427265169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 52.

The spelling of 424427265169 in words is "four hundred twenty-four billion, four hundred twenty-seven million, two hundred sixty-five thousand, one hundred sixty-nine".