19408920333 has 16 divisors (see below), whose sum is σ = 28617888576. Its totient is φ = 11601843840.

The previous prime is 19408920329. The next prime is 19408920359. The reversal of 19408920333 is 33302980491.

It is not a de Polignac number, because 19408920333 - 2² = 19408920329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19408920733) 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 15 ways as a sum of consecutive naturals, for example, 4026010 + ... + 4030827.

It is an arithmetic number, because the mean of its divisors is an integer number (1788618036).

Almost surely, 2^19408920333 is an apocalyptic number.

It is an amenable number.

19408920333 is a deficient number, since it is larger than the sum of its proper divisors (9208968243).

19408920333 is a wasteful number, since it uses less digits than its factorization.

19408920333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056924.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 19408920333 in words is "nineteen billion, four hundred eight million, nine hundred twenty thousand, three hundred thirty-three".