19189920153 has 8 divisors (see below), whose sum is σ = 26210622816. Its totient is φ = 12481248800.

The previous prime is 19189920121. The next prime is 19189920157. The reversal of 19189920153 is 35102998191.

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 19189920153 - 2⁵ = 19189920121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19189920157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78007683 + ... + 78007928.

It is an arithmetic number, because the mean of its divisors is an integer number (3276327852).

Almost surely, 2^19189920153 is an apocalyptic number.

It is an amenable number.

19189920153 is a deficient number, since it is larger than the sum of its proper divisors (7020702663).

19189920153 is a wasteful number, since it uses less digits than its factorization.

19189920153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156015655.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 19189920153 in words is "nineteen billion, one hundred eighty-nine million, nine hundred twenty thousand, one hundred fifty-three".