426201569 has 16 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 400258320.

The previous prime is 426201551. The next prime is 426201583. The reversal of 426201569 is 965102624.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426201569 is a prime.

It is a super-2 number, since 2×426201569² = 363295554836123522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426201599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585884 + ... + 586610.

It is an arithmetic number, because the mean of its divisors is an integer number (28304640).

Almost surely, 2^426201569 is an apocalyptic number.

It is an amenable number.

426201569 is a deficient number, since it is larger than the sum of its proper divisors (26672671).

426201569 is a wasteful number, since it uses less digits than its factorization.

426201569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 426201569 is about 20644.6498880461. The cubic root of 426201569 is about 752.5551776113. Note that the first 3 decimals are identical.

The spelling of 426201569 in words is "four hundred twenty-six million, two hundred one thousand, five hundred sixty-nine".