19949629153 has 8 divisors (see below), whose sum is σ = 20255097440. Its totient is φ = 19644387840.

The previous prime is 19949629127. The next prime is 19949629199. The reversal of 19949629153 is 35192694991.

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 19949629153 - 2⁵ = 19949629121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19949629753) 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 7 ways as a sum of consecutive naturals, for example, 124798 + ... + 235528.

It is an arithmetic number, because the mean of its divisors is an integer number (2531887180).

Almost surely, 2^19949629153 is an apocalyptic number.

It is an amenable number.

19949629153 is a deficient number, since it is larger than the sum of its proper divisors (305468287).

19949629153 is a wasteful number, since it uses less digits than its factorization.

19949629153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113487.

The product of its digits is 4723920, while the sum is 58.

The spelling of 19949629153 in words is "nineteen billion, nine hundred forty-nine million, six hundred twenty-nine thousand, one hundred fifty-three".