19048051645 has 8 divisors (see below), whose sum is σ = 26123042304. Its totient is φ = 13061521104.

The previous prime is 19048051621. The next prime is 19048051651. The reversal of 19048051645 is 54615084091.

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 19048051645 - 2²⁵ = 19014497213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272114989 + ... + 272115058.

It is an arithmetic number, because the mean of its divisors is an integer number (3265380288).

Almost surely, 2^19048051645 is an apocalyptic number.

It is an amenable number.

19048051645 is a deficient number, since it is larger than the sum of its proper divisors (7074990659).

19048051645 is an equidigital number, since it uses as much as digits as its factorization.

19048051645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544230059.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 19048051645 in words is "nineteen billion, forty-eight million, fifty-one thousand, six hundred forty-five".