1434656561 has 8 divisors (see below), whose sum is σ = 1545578664. Its totient is φ = 1323815040.

The previous prime is 1434656557. The next prime is 1434656563. The reversal of 1434656561 is 1656564341.

It can be written as a sum of positive squares in 4 ways, for example, as 63361600 + 1371294961 = 7960^2 + 37031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1434656561 - 2² = 1434656557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434656563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19781 + ... + 57101.

It is an arithmetic number, because the mean of its divisors is an integer number (193197333).

Almost surely, 2^1434656561 is an apocalyptic number.

It is an amenable number.

1434656561 is a deficient number, since it is larger than the sum of its proper divisors (110922103).

1434656561 is a wasteful number, since it uses less digits than its factorization.

1434656561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40291.

The product of its digits is 259200, while the sum is 41.

The square root of 1434656561 is about 37876.8604955585. The cubic root of 1434656561 is about 1127.8447343528.

It can be divided in two parts, 14346 and 56561, that added together give a palindrome (70907).

The spelling of 1434656561 in words is "one billion, four hundred thirty-four million, six hundred fifty-six thousand, five hundred sixty-one".