19417491929 has 4 divisors (see below), whose sum is σ = 21182718480. Its totient is φ = 17652265380.

The previous prime is 19417491893. The next prime is 19417491931. The reversal of 19417491929 is 92919471491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19417491929 - 2⁸ = 19417491673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19417491329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882613259 + ... + 882613280.

It is an arithmetic number, because the mean of its divisors is an integer number (5295679620).

Almost surely, 2^19417491929 is an apocalyptic number.

It is an amenable number.

19417491929 is a deficient number, since it is larger than the sum of its proper divisors (1765226551).

19417491929 is a wasteful number, since it uses less digits than its factorization.

19417491929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765226550.

The product of its digits is 1469664, while the sum is 56.

The spelling of 19417491929 in words is "nineteen billion, four hundred seventeen million, four hundred ninety-one thousand, nine hundred twenty-nine".