19765425073 has 8 divisors (see below), whose sum is σ = 20202831360. Its totient is φ = 19328721600.

The previous prime is 19765425059. The next prime is 19765425077. The reversal of 19765425073 is 37052456791.

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 19765425073 - 2⁵ = 19765425041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19765425077) 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 7 ways as a sum of consecutive naturals, for example, 118633 + ... + 231526.

It is an arithmetic number, because the mean of its divisors is an integer number (2525353920).

Almost surely, 2^19765425073 is an apocalyptic number.

It is an amenable number.

19765425073 is a deficient number, since it is larger than the sum of its proper divisors (437406287).

19765425073 is a wasteful number, since it uses less digits than its factorization.

19765425073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351407.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 19765425073 in words is "nineteen billion, seven hundred sixty-five million, four hundred twenty-five thousand, seventy-three".