19432619355 has 16 divisors (see below), whose sum is σ = 31382774784. Its totient is φ = 10267202400.

The previous prime is 19432619291. The next prime is 19432619387. The reversal of 19432619355 is 55391623491.

It is not a de Polignac number, because 19432619355 - 2⁶ = 19432619291 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6052171 + ... + 6055380.

It is an arithmetic number, because the mean of its divisors is an integer number (1961423424).

Almost surely, 2^19432619355 is an apocalyptic number.

19432619355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19432619355 is a deficient number, since it is larger than the sum of its proper divisors (11950155429).

19432619355 is a wasteful number, since it uses less digits than its factorization.

19432619355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107666.

The product of its digits is 874800, while the sum is 48.

The spelling of 19432619355 in words is "nineteen billion, four hundred thirty-two million, six hundred nineteen thousand, three hundred fifty-five".