426925669 has 2 divisors, whose sum is σ = 426925670. Its totient is φ = 426925668.

The previous prime is 426925657. The next prime is 426925699. The reversal of 426925669 is 966529624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261468900 + 165456769 = 16170^2 + 12863^2 .

It is a cyclic number.

It is not a de Polignac number, because 426925669 - 2¹¹ = 426923621 is a prime.

It is a super-2 number, since 2×426925669² = 364531053702195122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426925699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213462834 + 213462835.

It is an arithmetic number, because the mean of its divisors is an integer number (213462835).

Almost surely, 2^426925669 is an apocalyptic number.

It is an amenable number.

426925669 is a deficient number, since it is larger than the sum of its proper divisors (1).

426925669 is an equidigital number, since it uses as much as digits as its factorization.

426925669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The square root of 426925669 is about 20662.1796768879. The cubic root of 426925669 is about 752.9811238711.

The spelling of 426925669 in words is "four hundred twenty-six million, nine hundred twenty-five thousand, six hundred sixty-nine".