19469935134 has 48 divisors (see below), whose sum is σ = 48102202512. Its totient is φ = 5638351104.

The previous prime is 19469935097. The next prime is 19469935139. The reversal of 19469935134 is 43153996491.

It is a happy number.

19469935134 is a `hidden beast` number, since 19 + 469 + 9 + 35 + 134 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19469935139) 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 23 ways as a sum of consecutive naturals, for example, 2443224 + ... + 2451179.

It is an arithmetic number, because the mean of its divisors is an integer number (1002129219).

Almost surely, 2^19469935134 is an apocalyptic number.

19469935134 is an abundant number, since it is smaller than the sum of its proper divisors (28632267378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19469935134 is a wasteful number, since it uses less digits than its factorization.

19469935134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894441 (or 4894438 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 19469935134 in words is "nineteen billion, four hundred sixty-nine million, nine hundred thirty-five thousand, one hundred thirty-four".