19610806097 has 8 divisors (see below), whose sum is σ = 20487905640. Its totient is φ = 18747097600.

The previous prime is 19610806081. The next prime is 19610806109. The reversal of 19610806097 is 79060801691.

It can be written as a sum of positive squares in 4 ways, for example, as 8761708816 + 10849097281 = 93604^2 + 104159^2 .

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 19610806097 - 2⁴ = 19610806081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19610806697) 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, 3344768 + ... + 3350625.

It is an arithmetic number, because the mean of its divisors is an integer number (2560988205).

Almost surely, 2^19610806097 is an apocalyptic number.

It is an amenable number.

19610806097 is a deficient number, since it is larger than the sum of its proper divisors (877099543).

19610806097 is a wasteful number, since it uses less digits than its factorization.

19610806097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695523.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 19610806097 in words is "nineteen billion, six hundred ten million, eight hundred six thousand, ninety-seven".