1097804653 has 16 divisors (see below), whose sum is σ = 1212543360.
Its totient is φ = 985608000.
The previous prime is 1097804641. The next prime is 1097804713. The reversal of 1097804653 is 3564087901.
It is a cyclic number.
It is not a de Polignac number, because 1097804653 - 217 = 1097673581 is a prime.
It is a super-2 number, since 2×10978046532 = 2410350112296900818, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1097804623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540043 + ... + 542071.
It is an arithmetic number, because the mean of its divisors is an integer number (75783960).
Almost surely, 21097804653 is an apocalyptic number.
It is an amenable number.
1097804653 is a deficient number, since it is larger than the sum of its proper divisors (114738707).
1097804653 is a wasteful number, since it uses less digits than its factorization.
1097804653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2628.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 1097804653 is about 33133.1352727145.
The cubic root of 1097804653 is about 1031.5929268679.
The spelling of 1097804653 in words is "one billion, ninety-seven million, eight hundred four thousand, six hundred fifty-three".