19855270299 has 16 divisors (see below), whose sum is σ = 27194964480. Its totient is φ = 12876363360.

The previous prime is 19855270291. The next prime is 19855270301. The reversal of 19855270299 is 99207255891.

It is not a de Polignac number, because 19855270299 - 2³ = 19855270291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19855270291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596404 + ... + 628814.

It is an arithmetic number, because the mean of its divisors is an integer number (1699685280).

Almost surely, 2^19855270299 is an apocalyptic number.

19855270299 is a deficient number, since it is larger than the sum of its proper divisors (7339694181).

19855270299 is a wasteful number, since it uses less digits than its factorization.

19855270299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37970.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 19855270299 in words is "nineteen billion, eight hundred fifty-five million, two hundred seventy thousand, two hundred ninety-nine".