1363097561 has 8 divisors (see below), whose sum is σ = 1563371904. Its totient is φ = 1164209760.

The previous prime is 1363097551. The next prime is 1363097573. The reversal of 1363097561 is 1657903631.

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

It is not a de Polignac number, because 1363097561 - 2¹⁸ = 1362835417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1363097531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344525 + ... + 348458.

It is an arithmetic number, because the mean of its divisors is an integer number (195421488).

Almost surely, 2^1363097561 is an apocalyptic number.

It is an amenable number.

1363097561 is a deficient number, since it is larger than the sum of its proper divisors (200274343).

1363097561 is an equidigital number, since it uses as much as digits as its factorization.

1363097561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693271.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1363097561 is about 36920.1511508282. The cubic root of 1363097561 is about 1108.7721620511.

The spelling of 1363097561 in words is "one billion, three hundred sixty-three million, ninety-seven thousand, five hundred sixty-one".