19280900355 has 16 divisors (see below), whose sum is σ = 31683210144. Its totient is φ = 10005223680.

The previous prime is 19280900347. The next prime is 19280900371. The reversal of 19280900355 is 55300908291.

It is not a de Polignac number, because 19280900355 - 2³ = 19280900347 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, 17369626 + ... + 17370735.

It is an arithmetic number, because the mean of its divisors is an integer number (1980200634).

Almost surely, 2^19280900355 is an apocalyptic number.

19280900355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19280900355 is a deficient number, since it is larger than the sum of its proper divisors (12402309789).

19280900355 is a wasteful number, since it uses less digits than its factorization.

19280900355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34740406.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 19280900355 in words is "nineteen billion, two hundred eighty million, nine hundred thousand, three hundred fifty-five".