19085680937 has 8 divisors (see below), whose sum is σ = 20738261760. Its totient is φ = 17497907280.

The previous prime is 19085680891. The next prime is 19085680949. The reversal of 19085680937 is 73908658091.

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 19085680937 - 2¹⁰ = 19085679913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19085680637) 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, 16201178 + ... + 16202355.

It is an arithmetic number, because the mean of its divisors is an integer number (2592282720).

Almost surely, 2^19085680937 is an apocalyptic number.

It is an amenable number.

19085680937 is a deficient number, since it is larger than the sum of its proper divisors (1652580823).

19085680937 is a wasteful number, since it uses less digits than its factorization.

19085680937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32403583.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 19085680937 in words is "nineteen billion, eighty-five million, six hundred eighty thousand, nine hundred thirty-seven".