424338896569 has 9 divisors (see below), whose sum is σ = 493624020837. Its totient is φ = 363715145724.

The previous prime is 424338896549. The next prime is 424338896629. The reversal of 424338896569 is 965698833424.

The square root of 424338896569 is 651413.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 424338896569 - 2⁹ = 424338896057 is a prime.

It is a super-2 number, since 2×424338896569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424338896519) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4513362 + ... + 4606420.

Almost surely, 2^424338896569 is an apocalyptic number.

424338896569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

424338896569 is the 651413-rd square number.

424338896569 is the 325707-th centered octagonal number.

It is an amenable number.

424338896569 is a deficient number, since it is larger than the sum of its proper divisors (69285124268).

424338896569 is an frugal number, since it uses more digits than its factorization.

424338896569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186132 (or 93066 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 67.

The spelling of 424338896569 in words is "four hundred twenty-four billion, three hundred thirty-eight million, eight hundred ninety-six thousand, five hundred sixty-nine".