1364044561 has 8 divisors (see below), whose sum is σ = 1566367200. Its totient is φ = 1174775040.

The previous prime is 1364044559. The next prime is 1364044567. The reversal of 1364044561 is 1654404631.

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 1364044561 - 2¹ = 1364044559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364044567) 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, 3263056 + ... + 3263473.

It is an arithmetic number, because the mean of its divisors is an integer number (195795900).

Almost surely, 2^1364044561 is an apocalyptic number.

1364044561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1364044561 is a deficient number, since it is larger than the sum of its proper divisors (202322639).

1364044561 is a wasteful number, since it uses less digits than its factorization.

1364044561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526559.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1364044561 is about 36932.9738986722. The cubic root of 1364044561 is about 1109.0288725024.

The spelling of 1364044561 in words is "one billion, three hundred sixty-four million, forty-four thousand, five hundred sixty-one".