19535323412 has 24 divisors (see below), whose sum is σ = 37643266080. Its totient is φ = 8796702560.

The previous prime is 19535323411. The next prime is 19535323433. The reversal of 19535323412 is 21432353591.

It is a super-2 number, since 2×19535323412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19535323411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069987 + ... + 2079402.

It is an arithmetic number, because the mean of its divisors is an integer number (1568469420).

Almost surely, 2^19535323412 is an apocalyptic number.

It is an amenable number.

19535323412 is a deficient number, since it is larger than the sum of its proper divisors (18107942668).

19535323412 is a wasteful number, since it uses less digits than its factorization.

19535323412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149511 (or 4149509 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The spelling of 19535323412 in words is "nineteen billion, five hundred thirty-five million, three hundred twenty-three thousand, four hundred twelve".